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Recognition of depression and psychosis by young Australians and their beliefs about treatment

Annemarie Wright, Meredith G Harris, Anthony F Jorm, Sue M Cotton, Susy M Harrigan, Patrick D McGorry, John H Wiggers and Rosalind E Hurworth
Med J Aust 2005; 183 (1): 18-23. || doi: 10.5694/j.1326-5377.2005.tb06881.x
Published online: 4 July 2005

Abstract

Objectives: To assess young people’s ability to recognise clinically defined depression and psychosis, the types of help they thought appropriate for these problems, their knowledge of appropriate treatments, and their perceptions regarding prognosis.

Design: A cross-sectional telephone survey using structured interviews. Vignettes of a person with either depression or psychosis were presented, followed by questions related to recognition of the disorder, best forms of treatment and the prognosis.

Participants: A randomly selected sample of 1207 young people aged 12–25 years.

Setting: Melbourne, Victoria, and surrounding regional and rural areas.

Outcome measures: Responses to a mental health literacy questionnaire.

Results: Almost half the respondents were able to identify depression correctly, whereas only a quarter identified psychosis correctly. Counsellors and family or friends were the most commonly cited forms of best help, with family or friends preferred by the younger age group for depression. General practitioners were considered more helpful for depression, and psychiatrists and psychologists more helpful for psychosis. Most respondents considered counselling and psychotherapy to be helpful. However, more than half the respondents expressed negative or equivocal views regarding the helpfulness of recommended pharmacological treatments.

Conclusions: The limitations we identified in youth mental health literacy may contribute to the low rates of treatment and the long duration of untreated illness reported in other studies. There is a need for initiatives to enhance mental health literacy among young people, and those close to them, if benefits of early treatment are to be realised.

Adolescence and young adulthood are peak times for the onset of depression and psychotic disorders.1 Early detection and treatment have been shown to improve long-term outcomes2,3 and reduce the risk of future episodes of illness.4,5 Barriers to seeking help early for mental health problems include accessibility and availability of services,6,7 and limited “mental health literacy”,6-8 defined as “knowledge and beliefs about mental disorders which aid their recognition, management or prevention”.9 Indeed, aspects of mental health literacy, including patients’ knowledge of symptoms and correct use of psychiatric labels, are associated with better detection of mental disorders by general practitioners.8

Previous surveys have highlighted deficits in mental health literacy in Australian and international populations,8,10 but there has been little research targeting young people. We aimed to assess

  • young people’s ability to recognise clinically defined depression and psychosis;

  • the types of help they thought appropriate for these problems;

  • their knowledge of appropriate treatments for these disorders;

  • their perceived prognosis for these disorders; and

  • whether young people’s responses differed between age groups.

Our survey was conducted as a baseline measure for a community awareness campaign. Identifying gaps in mental health literacy may help to improve community education and the responsiveness of the health care system, thus ensuring that young people get appropriate help for these disorders in a timely manner.

Methods
Interview procedure

Interviews were conducted by computer-assisted telephone interview using a version of an earlier questionnaire.9

The interviewer presented a vignette involving either a male or female displaying symptoms meeting both ICD-1011 and DSM-IV12 minimum diagnostic criteria for psychosis or depression. The disorder and sex of the vignette character were randomly allocated to respondents (Box 1).

Analysis

We compared the demographic characteristics of the sample with those of the general population using the χ2 goodness-of-fit test comparing sample proportions with population proportions. For these analyses the α level was set at 0.01 to minimise type I error.

For the open-ended questions, response categories were combined for analysis if their frequency was 2% or less, except for the response “nothing”. To facilitate comparisons with earlier studies, interviewers recorded responses according to pre-coded response categories, based on a content analysis of responses to the same questions in an earlier survey.9 The exception was for the problem recognition question: the category “schizophrenia” was renamed “psychosis” as this is the more correct term, given the duration of symptoms described in the vignette.12 All psychotic disorders, including schizophrenia, were accepted as correct.

For the problem recognition question, a content analysis of responses that did not fit these pre-coded categories led to post-coding of three new categories: “other psychological problem” (which included the responses suicidal, nervous breakdown, split personality, scared/fearful/anxious, scared of leaving house/agoraphobia, and low self-esteem/self-confidence); “physical problem” (which included the responses tired/rundown, glandular fever, sleeping disorder/insomnia, and chronic fatigue syndrome); and “other miscellaneous” (which included the responses bullying/peer pressure, boredom/lack of motivation, problems with friends/partners, family problems and “other”).

Similarly, for the “best form of help” question a new category “other” was created which included the responses teachers/school counsellor and “other” responses. A new variable called “correct help” was created by combining the responses for the categories “counsellor/psychologist”, “doctor”, “psychiatrist”, and “medication”.

We compared the proportion of responses between the two vignettes and two age groups (12–17 years; 18–25 years) using χ2 analysis.

Results
Sample

The study response rate was 89.7% (Box 3), with 606 respondents given the depression vignette and 601 given the psychosis vignette.

Problem recognition

In response to the open-ended question “What, if anything, do you think is wrong with John (Mary)?” almost half the respondents identified depression correctly, but only a quarter identified psychosis correctly (see Box 4). Younger respondents were significantly less likely to recognise both depression and psychosis. A variety of labels related to mental health were used by respondents to describe both vignettes including “mental illness”, “stress”, “psychological/mental/emotional problems”, “eating disorder”, “other psychological problem”. When these were combined with the “depression” and “schizophrenia” responses, a similar proportion of respondents were able to recognise that the vignettes were related to a mental health problem. For both vignettes, about 13% of respondents indicated they did not know what was wrong.

Best form of help

Slightly more than half the respondents gave a correct answer to the question “How do you think John (Mary) could best be helped?”, with a lower proportion of those given the depression vignette being correct than those given the psychosis vignette (Box 4). The older age group provided the correct response more frequently than the younger group. Of the respondents who were able to correctly identify depression, 59.3% [175/295] were able to nominate a correct form of help, compared with only 47.2% [144/305] of those who were not able to correctly identify depression (χ21 = 8.831; P = 0.003). Likewise, 75% [114/152] of respondents who correctly identified psychosis were able to nominate a correct form of help, compared with only 59.2% [263/444] of those who did not correctly identify psychosis (χ21 = 12.109; P = 0.001).

Seeing a counsellor or psychologist was nominated as the best source of help by about a quarter of respondents for the depression and psychosis vignettes. Family and friends were commonly reported as the best source of help, but were more commonly cited for depression than psychosis, and more frequently by younger age groups. GPs were more often cited as a preferred source of help for depression than for psychosis, while psychiatrists were more commonly cited for psychosis than depression. Overall, GPs were more frequently preferred by older respondents.

Helpfulness rating of treating professionals

Seventy per cent or more of respondents thought each of the recommended professionals would be helpful for the person described in both vignettes (Box 4).

Psychologists and psychiatrists were significantly more frequently nominated as helpful for the person in the psychosis vignette than for the person in the depression vignette. In contrast, “family doctor/GP” was significantly more frequently nominated as helpful for the person in the depression vignette as opposed to the psychosis vignette. Most professional groups were more frequently cited as helpful by the older age group for both depression and psychosis.

Helpfulness rating of pharmacological treatments

More than half the respondents expressed either negative or equivocal views regarding the helpfulness of pharmacological treatments (Box 4). Antidepressants were considered harmful by 29.3% [176/600] of respondents for the treatment of depression, while 15.9% [95/596] considered antipsychotics to be harmful for psychosis. Younger respondents more frequently described antidepressants as helpful for depression. There was no significant difference in the proportion of respondents who rated the correct pharmacological treatment as helpful for the two disorders.

Discussion

Depression was far more readily recognised than psychosis by the young people surveyed, but belief in the helpfulness of recommended interventions was generally greater for psychosis. Older respondents were better able to correctly identify disorders and displayed a greater belief in the effectiveness of most recommended forms of treatment. Younger respondents were more likely to recommend seeking help from family and friends.

We believe this is the first study of its kind focusing specifically on young people using a measurement tool with established validity.16 However, this is also the first time the tool has been used in a telephone interview, and its validity in this format has not yet been established.

The high response rate among those eligible to participate adds strength to the generalisability of the results. However, the survey was conducted in geographically defined areas of Victoria only, and the findings may not apply to other areas of the state or to other states and territories in Australia. The over-representation of Indigenous young people in the sample is likely to be due to the under-reporting of Indigenous status in census data.17 Those speaking a language other than English at home were under-represented, and this is likely to be an artefact of the participant eligibility criteria. Young people still at school were over-represented; hence, the observed pattern of health literacy is likely to be an overestimate of that in the population from which the sample was drawn, given the positive association between education, literacy and health literacy.18

While most aspects of the clinical practice guidelines (current at the time) used to determine the accuracy of participant responses maintain their relevance today, some elements have since been superseded or do not apply universally. Cognitive behavioural therapy is acknowledged as preferable for milder forms of depression,19 and, while the efficacy of antidepressants is acknowledged in those aged 18 years and over, they are not considered to be as efficacious in adolescents.13

Consistent with previous and recent studies,9,20,21 depression was correctly identified more often than psychosis. In common with the only previous youth study,21 family and friends and a counsellor/psychologist were the most frequently mentioned sources of help, although a psychiatrist was as frequently mentioned as helpful for the psychosis vignette.

Levels of correct recognition of both depression and psychosis were lower than those reported in the most recent and methodologically comparable adult study.20 In the study by Jorm and colleagues,20 adults more frequently suggested recommended sources of help, particularly doctor and psychiatrist; however, when asked whether the people recommended would be helpful, the young respondents in this study were more positive about social workers and psychiatrists, the latter particularly for depression. A similar pattern to this and other adult studies8 was noted in our study — psychiatrists and psychologists were considered more helpful for psychosis and GPs more helpful for depression. Views regarding the helpfulness of medications were similar. The most striking difference was that counselling/psychotherapy was considered to be helpful by 30%–40% more young people, although this may be due to the adult study seeking responses on psychotherapy alone.

The mental health literacy of the young people in our study was often less than that recently reported in the adult population. One possible explanation is that young people have less life experience. Another is that population mental health literacy may have increased since our study was conducted, as a result of the implementation of beyondblue: the national depression initiative in the intervening period.22

The practical relevance of these findings may be limited, as responses in a telephone interview context may not necessarily predict behaviour when a person is actually confronted with mental illness. However, previous studies with adults suggest there is some predictive value.8

Important questions arising from this study are:

  • Is this level of mental health literacy adequate; and

  • What level of mental health literacy is it reasonable to expect?

  • The levels reported here may be considered to be encouraging and may be due, in part, to the success of local and national school-based interventions such as MindMatters.23 However, mental health problems are the major contributor to overall burden of disease for young people aged 15–24 years,24 and improvements in mental health literacy could contribute to a reduction in disease burden by increasing the number of young people receiving treatment for mental health problems. Thus, it could be argued that mental health literacy deserves as much attention as that currently afforded to other major youth health issues, such as prevention of road trauma. Given the developmentally appropriate tendency of young people, particularly those under 18, to seek help from family and friends, these social supports are also an important target for mental health literacy improvement.

Efforts to improve mental health literacy in the adult population have yielded promising results.22,25 Focusing community education on the identified gaps in mental health literacy during adolescence and young adulthood, when the risk of onset is high, could potentially make a substantial contribution to reducing the burden of disease associated with mental illness in the longer term.

3 Sample selection flow chart and comparison of sample to the population15 by region

Metropolitan Region A


Metropolitan Region B


Rural Region A


Rural Region B


Proportion of sample (n = 305)

Proportion of population (n = 157 058)

P

Proportion of sample (n = 301)

Proportion of population (n = 132 467)

P

Proportion of sample (n = 300)

Proportion of population (n = 41 618)

P

Proportion of sample (n = 301)

Proportion of population (n = 21 000)

P


12–14 years

24.59

20.18

0.006

24.92

21.26

0.05

24.92

23.00

0.502

24.92

27.74

0.383

15–17 years

24.59

19.95

24.92

21.61

24.92

23.65

25.25

26.23

18–25 years

50.82

59.86

50.17

57.13

50.17

53.34

49.83

46.03

Female

56.72

49.49

0.012

54.82

48.81

0.037

55.33

49.13

0.032

54.48

48.87

0.057

Male

43.28

50.51

45.18

51.19

44.66

50.87

45.51

51.13

At school

50.49

36.34

< 0.001

52.16

39.54

< 0.001

50.0

43.54

0.024

53.16

49.08

0.157

Unemployed

16.28

15.14

0.768

13.83

12.83

0.772

10.31

15.67

0.072

12.50

11.79

0.827

Indigenous

4.92

0.58

< 0.001

4.82

0.50

< 0.001

2.07

0.93

0.054

3.85

0.74

< 0.001

NESB

15.41

36.93

< 0.001

16.61

27.26

< 0.001

2.66

6.80

0.004

0.66

2.41

0.048


NESB = non-English speaking background.

4 Comparison of responses between vignettes and age groups

Depression

Psychosis

χ2 test for difference (vignettes)

Proportion (95% CI)

Proportion (95% CI)


Problem recognition

n = 606

n = 601

Correct identification

48.7 (44.8–52.6)

25.3 (21.9–28.7)

χ21 = 70.786; P < 0.001

12–17 years

38.9 (33.4–44.4)

17.0 (12.7–21.3)

18–25 years

58.4 (52.9–63.9)

33.6 (28.3–38.9)

χ2 test for difference (age groups)

χ21 = 23.035; P < 0.001

χ21 = 21.793; P < 0.001

Some form of mental health problem

66.5 (62.7–70.3)

70.3 (66.6–74.0)

χ21 = 1.925; P = 0.165

12–17 years

55.1 (49.5–60.7)

60.7 (55.2–66.2)

18–25 years

77.7 (73.0–82.4)

79.7 (75.2–84.2)

χ2 test for difference (age groups)

χ21 = 34.597; P < 0.001

χ21 = 26.121; P < 0.001


Best form of help

n = 600

n = 596

Counsellor/psychologist

25.8 (22.4–29.2)

30.0 (26.3–33.7)

χ21 = 2.621; P = 0.105

12–17 years

24.8 (19.9–29.7)

28.9 (23.8–34.0)

18–25 years

26.8 (21.9–31.7)

31.2 (25.9–36.5)

χ2 test for difference (age groups)

χ21 = 0.310; P = 0.578

χ21 = 0.39; P = 0.532

Family doctor/GP

18.7 (15.6–21.8)

11.9 (9.4–14.4)

χ21 = 10.524; P = 0.001

12–17 years

15.1 (10.2–20.0)

8.7 (5.5–11.9)

18–25 years

22.2 (17.3–27.1)

15.1 (11.0–19.2)

χ2 test for difference (age groups)

χ21 = 4.959; P = 0.026

χ21 = 5.772; P = 0.016

Psychiatrist

7.0 (5.0–9.0)

18.8 (15.7–21.9)

χ21 = 37.060; P < 0.001

12–17 years

5.0 (2.5–7.5)

19.1 (14.6–23.6)

18–25 years

8.9 (5.7–12.1)

18.5 (14.1–22.9)

χ2 test for difference (age groups)

χ21 = 3.517; P = 0.061

χ21 = 0.044; P = 0.834

Medication

1.7 (0.7–2.7)

2.5 (1.3–3.7)

χ21 = 1.056; P = 0.304

12–17 years

1.7 (0.2–3.2)

2.3 (0.6–4)

18–25 years

1.7 (0.2–3.2)

2.7 (0.9–4.5)

χ2 test for difference (age groups)

χ21 = 0.21; P = 0.647

χ21 = 2.73; P = 0.098

Total correct help

53.2 (49.2–57.2)

63.3 (59.5–67.1)

χ21 = 12.508; P < 0.001

12–17 years

46.6 (40.9–52.3)

59.1 (53.5–64.7)

18–25 years

59.6 (54.1–65.1)

67.4 (62.1–72.7)

χ2 test for difference (age groups)

χ21 = 10.115; P = 0.001

χ21 = 4.512; P = 0.034

Family and friends

30.3 (26.6–34.00)

18.6 (15.5–21.7)

χ21 = 22.163; P < 0.001

12–17 years

35.6 (30.2–41.0)

22.8 (18.0–27.6)

18–25 years

25.2 (20.3–30.1)

14.4 (10.5–18.3)

χ2 test for difference (age groups)

χ21 = 7.684; P = 0.006

χ21 = 6.919; P = 0.009


Treating professional helpful

n = 600

n = 596

Psychologist

71.8 (68.2–75.4)

79.7 (76.5–82.9)

χ24 = 10.240; P = 0.037

12–17 years

65.4 (60.0–70.8)

75.5 (70.6–80.4)

18–25 years

78.1 (73.4–82.8)

83.9 (79.7–88.1)

χ2 test for difference (age groups)

χ21 = 11.975; P = 0.001

χ21 = 6.481; P = 0.011

Social worker

78.3 (75.0–81.6)

79.7 (76.5–82.9)

χ24 = 1.493; P = 0.828

12–17 years

71.8 (66.7–76.9)

76.8 (72.0–81.6)

18–25 years

84.8 (80.8–88.8)

82.6 (78.3–86.9)

χ2 test for difference (age groups)

χ21 = 14.835; P < 0.001

χ21 = 2.997; P = 0.083

Family doctor/GP

80.8 (77.7–83.9)

70.5 (66.9–74.1)

χ24 = 18.970; P = 0.001

12–17 years

77.5 (72.8–82.2)

65.1 (59.7–70.5)

18–25 years

84.1 (80.0–88.2)

75.8 (70.9–80.7)

χ2 test for difference (age groups)

χ21 = 4.203; P = 0.04

χ21 = 8.256; P = 0.004

Psychiatrist

74.8 (71.4–78.2)

84.4 (81.5–87.3)

χ24 = 18.238; P = 0.001

12–17 years

75.5 (70.6–80.4)

80.9 (76.4–85.4)

18–25 years

73.5 (68.6–78.4)

87.9 (84.2–91.6)

χ2 test for difference (age groups)

χ21 = 0.314; P = 0.575

χ21 = 5.619; P = 0.018


Pharmacological treatment helpful

n = 600

n = 596

Correct medication (anti-depressants; antipsychotics)

43.3 (39.3-47.3)

39.9 (36.0–43.8)

χ21 = 1.423; P = 0.233

12–17 years

49.0 (43.3–54.7)

40.3 (34.8–45.8)

18–25 years

37.7 (32.2–43.2)

39.6 (34.1–45.1)

χ2 test for difference (age groups)

χ21 = 7.724; P = 0.005

χ21 = 0.028; P = 0.867


Psychological treatment helpful

n = 600

n = 596

Counselling/psychotherapy

85.5 (82.7–88.3)

91.8 (89.6–94.0)

χ24 = 14.400; P = 0.006

12–17 years

85.9 (82.0–89.8)

88.6 (85.0–92.2)

18–25 years

85.1 (81.1–89.1)

95.0 (92.5–97.5)

χ2 test for difference (age groups)

χ21 = 0.079; P = 0.779

χ21 = 8.027; P = 0.005


Prognosis

n = 600

n = 596

Make a full recovery but problems recur

31.5 (27.8–35.2)

32.7 (28.9–36.5)

χ25 = 5.067; P = 0.408

12–17 years

33.2 (27.9–38.5)

30.2 (25.0–35.4)

18–25 years

29.8 (24.6–35.0)

35.2 (29.8–40.6)

χ2 test for difference (age groups)

χ21 = 0.813; P = 0.367

χ21 = 1.715; P = 0.190

Received 30 November 2004, accepted 19 May 2005

  • Annemarie Wright1
  • Meredith G Harris2
  • Anthony F Jorm3
  • Sue M Cotton4
  • Susy M Harrigan5
  • Patrick D McGorry6
  • John H Wiggers7
  • Rosalind E Hurworth8

  • 1 ORYGEN Research Centre, University of Melbourne, Parkville, VIC.
  • 2 Hunter Population Health, Hunter–New England Health Service, Wallsend, NSW.
  • 3 Centre for Program Evaluation, University of Melbourne, Melbourne, VIC.


Correspondence: annemarie.wright@mh.org.au

Acknowledgements: 

Our study was supported by a grant from ANZ Trustees and beyondblue: the national depression initiative. ANZ Trustees and beyondblue: the national depression initiative had no role in study design, data collection, analysis, interpretation or writing of the article.

Competing interests:

None identified.

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