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Table 1 The distribution of different demographic variables in the full sample, the clinical SDQ group and their association with clinical SDQ

From: Delayed school progression and mental health problems in adolescence: a population-based study in 10,803 adolescents

 

Full sample

Clinical SDQ

Association SDQ

Variables

N (%)

N (%)

OR (95% CI)

Male gender

5378 (49.8)

260 (53.3)

1.16 (0.97-1.39)

Age (mean, range)

14.17 (10–19)

14.19 (10–18)

1.01 (0.95-1.07)

Non-Dutch ethnicity

2091 (19.4)

93(19.1)

0.98 (0.78-1.24)

Not living with both parents

2390 (22.1)

150 (30.7)

1.60 (1.31-1.95)*

Low SES^

929 (8.6)

95 (19.5)

2.75 (2.17-3.48)*

Vocational level of education (missing 148)

5538 (52.0)

327 (68.1)

2.04 (1.67-2.48)*

Urbanization (missing 1491)

   

• Less than 1000 (ref.)

3314 (35.6)

146 (36.9)

...

• 1000 - 1499

4054 (43.5)

166 (41.9)

0.93 (0.74-1.16)

• 1500 - 2499

1859 (20.0)

81 (20.5)

0.99 (0.75-1.31)

• 2500 or more

85 (.9)

3 (.8)

0.79 (0.25-2.54)

  1. *significant associations at p < 0.05.
  2. °SDQ: Strengths and Difficulties Questionnaire.
  3. ^SES: SocioEconomic Status.