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Table 2 The association between yearly household income (income), labour market participation (LMP), parental highest educational level (highest edu) and family functioning (family func) in early childhood and overweight and obesity at age 18 or 21

From: How does childhood socioeconomic position affect overweight and obesity in adolescence and early adulthood: a longitudinal study

Early Childhood Girls Boys
18 21 18 21
n RR n ARRd (95% CI) n RR n ARRd (95% CI) n RR n ARRd (95% CI) n RR n ARRd (95% CI)
  Overweight Obesity   Overweight Obesity   Overweight Obesity   Overweight Obesity   Overweight Obesity   Overweight Obesity   Overweight Obesity   Overweight Obesity
Incomea 1200    970    1060    864    1030    840    861    698   
 High (ref.grp.)   1 1   1 1   1 1   1 1   1 1   1 1   1 1   1 1
 Medium   1.6 1.5   1.5 (0.9;2.6) 1.4 (0.7;2.9)   1.2 1.6   0.7 (0.4;1.2) 1.4 (0.9;2.4)   0.8 1.1   0.7 (0.4;1.1) 1.0 (0.5;1.9)   0.9 1.5   0.7 (0.4;1.1) 1.1 (0.6;2.0)
 Low   1.3 1.1   0.9 (0.5;1.9) 0.9 (0.4;2.1)   1.0 1.5   0.5 (0.3;1.0) 1.1 (0.6;1.9)   1.1 1.8   0.7 (0.3;1.4) 1.2 (0.6;2.4)   0.8 1.8   0.5 (0.3;1.0) 0.9 (0.5;1.9)
LMPb (mother) 1239    970    1085    864    1066    840    883    698   
 High score (ref.grp.)   1 1   1 1   1 1   1 1   1 1   1 1   1 1   1 1
 Low score   1.6 1.2   1.3 (0.8;2.1) 1.0 (0.6;2.0)   1.7 1.3   1.6 (1.0;2.6) 1.2 (0.8;1.8)   1.1 1.5   1.1 (0.6;2.0) 1.3 (0.7;2.3)   1.8 2.3   2.0 (1.2;3.2) 2.2 (1.3;3.8)
LMPb (father) 1228    970    1074    864    1062    840    881    698   
 High score (ref.grp.)   1 1   1 1   1 1   1 1   1 1   1 1   1 1   1 1
 Low score   1.3 0.7   1.4 (0.7;2.9) 0.8 (0.3;2.2)   1.0 0.9   0.7 (0.3;1.5) 0.8 (0.4;1.6)   1.4 2.0   1.1 (0.4;2.8) 2.8 (1.3;6.1)   0.7 1.4   0.7 (0.3;2.1) 1.6 (0.7;4.1)
Highest edue (mother)1989 1165    970    1034    864    1001    840    841    698   
 1 (> 13 yr) (ref.grp.)   1 1   1 1   1 1   1 1   1 1   1 1   1 1   1 1
 2 (10–13 yr)   1.2 1.2   0.8 (0.4;1.6) 0.7 (0.3;1.7)   1.4 1.3   0.9 (0.5;1.7) 1.0 (0.5;1.7)   1.4 1.0   1.4 (0.7;2.5) 0.8 (0.4;1.6)   1.8 1.3   1.7 (1.0;3.0) 0.7 (0.4;1.4)
 3 (< 10 yr)   1.9 2.9   1.4 (0.7;2.7) 1.9 (0.8;4.7)   3.2 2.8   1.9 (1.0;3.8) 2.1 (1.1;3.9)   1.5 2.4   1.4 (0.7;2.8) 1.5 (0.7;3.2)   1.7 2.4   1.4 (0.7;2.7) 1.3 (0.7;2.6)
Highest edue (father) 1989 1119    970    984    864    965    840    801    698   
 1 (> 13 yr) (ref.grp.)   1 1   1 1   1 1   1 1   1 1   1 1   1 1   1 1
 2 (10–13 yr)   1.7 4.4   2.1 (1.0;4.3) 4.5 (1.3;15.7)   2.3 1.9   2.5 (1.2;5.1) 1.8 (1.0;3.4)   1.2 1.2   1.1 (0.6;1.9) 1.0 (0.5;2.0)   1.5 2.2   1.6 (0.9;2.8) 1.9 (0.9;4.0)
 3 (< 10 yr)   1.6 4.9   1.4 (0.6;3.2) 5.2 (1.4;19.3)   3.4 2.2   2.6 (1.2;5.8) 1.8 (0.9;3.6)   1.3 2.1   1.1 (0.5;2.2) 1.6 (0.8;3.5)   1.8 3.0   1.8 (0.9;3.4) 2.4 (1.1;5.4)
Family funcc 1088    970    967    864    932    840    773    698   
 Good (ref.grp.)   1 1   1 1   1 1   1 1   1 1   1 1   1 1   1 1
 Poor   1.6 1.3   1.6 (1.0;2.7) 1.2 (0.6;2.3)   1.4 2.0   1.5 (0.9;2.5) 2.0 (1.3;3.1)   1.1 0.6   1.1 (0.6;1.9) 0.5 (0.3;1.0)   1.0 0.7   0.9 (0.5;1.5) 0.5 (0.3;1.0)
  1. aYearly household income categorized at 33.3rd and 66.6th percentile
  2. bLabour market participation dichotomized ≥0.80 (high score)
  3. cFamily functioning, measured at age 15
  4. dMutual adjusted for other exposure variables, birthweight and split home 1989
  5. eHighest educational level
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