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Table 1 Sample Characteristics

From: Associations between sport and screen-entertainment with mental health problems in 5-year-old children

Characteristic All children Boys Girls
  N = 13470 N = 6883 N = 6587
  % or Mean (SD) (n)
Ethnicity    
   White 88.9 (11671) 89.0 (5973) 88.9 (5698)
   Mixed 3.1 (373) 3.0(180) 3.2 (193)
   Asian 4.6 (899) 4.5 (453) 4.7 (446)
   Black 2.3 (353) 2.5 (186) 2.2 (167)
   Other 1.0 (145) 1.0 (76) 1.0 (69)
Weight status a    
   Normal weight 79.0 (10394) 81.2 (5456) 76.7 (4938)
   Overweight 15.7 (2143) 13.9 (965) 17.5 (1178)
   Obese 5.3 (742) 4.9 (350) 5.7 (392)
Maternal employment    
   Full time 12.1 (1729) 12.4 (898) 11.8 (831)
   Part time 38.2 (4924) 38.0 (2524) 38.3 (2400)
   On leave 2.8 (391) 2.9 (201) 2.6 (190)
   Self-employed 6.3 (786) 6.4 (394) 6.3 (392)
   Unemployed or Student 40.6 (5617) 40.2 (2855) 41.0 (2762)
Maternal highest qualification    
   Degree 18.2 (2384) 17.9 (1195) 18.5 (1189)
   Diploma 9.6 (1260) 9.9 (657) 9.4 (603)
   A/AS/S levels 9.9 (1354) 9.6 (684) 10.1 (670)
   O level/GCSE grades a-c 35.8 (4666) 36.2 (2414) 35.4 (2252)
   GCSE grades d-g 10.7 (1414) 10.8 (741) 10.7(673)
   Other 1.9 (287) 1.9 (133) 2.0 (154)
   None 13.9 (2078) 13.8 (1041) 14.0 (1037)
Maternal socio-economic status    
   Managerial & professional 31.2 (3948) 31.0 (2001) 31.4 (1947)
   Intermediate 18.5 (2374) 18.4 (1221) 18.7 (1153)
   Small employers & own 4.3 (501) 4.4 (265) 4.0 (236)
   Lower supervisor & tech 5.5 (766) 5.5 (370) 5.5 (396)
   Semi-routine & routine 34.7 (4762) 35.2 (2465) 34.2 (2297)
   Never worked/unemployed 5.8 (962) 5.4 (473) 6.2 (489)
Household Income (€)    
   0-12999 pa 21.6 (3132) 21.4 (1576) 21.9 (1556)
   13000-25999 pa 32.7 (4556) 32.8 (2346) 32.6 (2210)
   26000-36399 pa 19.4 (2504) 19.3 (1279) 19.5 (1225)
   ≥ 36400 pa 26.3 (3164) 26.5 (1619) 26.0 (1545)
Lone motherhood status    
   Non-lone mother 81.0 (10867) 81.0 (5549) 81.1 (5318)
   Lone mother 19.0 (2603) 19.0 (1334) 18.9 (1269)
No. siblings in household    
   1 child 16.4 (2227) 16.2 (1140) 16.5 (1087)
   2 children 49.4 (6447) 49.5 (3285) 49.2 (3162)
   >2 children 34.3 (4796) 34.2 (2458) 34.3 (2338)
Child: Longstanding illness    
   Yes 19.4 (2623) 22.0 (1520) 16.7 (1103)
   No 80.6 (10840) 78.0 (5361) 83.3 (5479)
Mother: Longstanding illness    
   Yes 23.9 (3238) 23.4 (1626) 24.5 (1612)
   No 76.1 (10230) 76.6 (5255) 75.5 (4975)
Maternal emotional problems    
   No 48.9 (6836) 49.4 (3500) 48.3 (3336)
   Yes 51.1 (6631) 50.6 (3380) 51.7 (3251)
  1. Missing data (all children): gender 0; ethnicity 29; weight status 191; maternal employment 23; maternal highest qualification 27; maternal socio-economic status 157; household Income 114; lone motherhood status 0; no. siblings in household 0; child - longstanding illness 7; mother - longstanding illness 2; maternal emotional problems 3.
  2. a Defined using the International Obesity Task Force cut-offs for BMI[33].