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Table 2 Sample characteristics.*

From: Are mental health and binge drinking associated in Dutch adolescents? Cross-sectional public health study

Age in years   12-15 16-18
  Total
sample
Male Female Male Female
N not weighted 10 019 (100) 2880 (46.9) 3260 (53.1) 1680 (43.3) 2199 (56.7)
N weighted** 10 020 (100) 2927 (51.0) 2808 (49.0) 2192 (51.2) 2093 (48.8)
Ethnic groups, non-western*** 368 (3.7) 113 (3.9) 116 (4.2) 69 (3.1) 70 (3.4)
School, VMBO**** 2274 (22.7) 974 (42.6) 924 (40.9) 215 (17.3) 161 (14.0)
Family, not living with both parents 1580 (15.8) 428 (15.3) 466 (17.2) 352 (17.1) 334 (17.5)
Parents, relationship below average 1866 (18.6) 434 (14.9) 484 (17.3) 454 (20.8) 494 (23.6)
Problematic life-events 2093 (20.9) 455 (15.6) 669 (23.9) 403 (18.5) 566 (27.2)
ADHD 219 (2.2) 106 (3.8) 18 (0.7) 63 (3.0) 32 (1.6)
Binge drinking previous 4 wks 3393 (33.9) 372 (12.9) 339 (12.3) 1506 (68.7) 1176 (56.8)
Binge drinking previous 4 wks > = 3 times 1607 (16.0) 97 (3.3) 90 (3.2) 904 (41.8) 516 (24.9)
Soft drugs previous 4 wks 398 (4.0) 45 (1.6) 34 (1.3) 203 (9.4) 116 (5.6)
Alcohol and drugs together 342 (3.4) 37 (1.3) 25 (0.9) 183 (8.4) 97 (4.7)
Mental health, moderate or poor 1389 (13.9) 247 (8.6) 418 (15.0) 259 (11.9) 465 (22.5)
  1. * Data are shown as number and valid percentage (%) for the total sample and for sex within age strata.
  2. ** A weighting procedure was applied for gender, age and town size.
  3. *** Non-western ethnic groups include immigrants from Turkey, Morocco, Surinam, Aruba and the Netherlands Antilles, Africa, Asia (Indonesia and Japan not included) and Latin America. Western ethnic groups include immigrants from: European countries (Turkey not included) Indonesia, Japan, North America and Oceania.
  4. **** VMBO, preparatory secondary vocational education, it is a preparation for middle-level applied education.