Table 1

Characteristics of participants included in the overall analysis vs. those who are excluded
Included Excluded Difference
n Mean SD n Mean SD Mean 95% CI p
Fathers
Age (years) 493 40.0 5.8 52 36.6 6.2 -3.5 -5.1 to -1.8 <0.001
BMI score 493 26.2 3.9 55 26.8 3.7 0.61 -0.49 to 1.7 0.276
IMD scorea 493 12.4 10.2 81 16.3 13.1 3.9 1.4 to 6.4 0.002
Mothers
Age (years) 793 37.4 5.5 63 36.1 5.5 -1.4 -2.8 to 0.05 0.058
BMI 793 25.1 4.5 72 24.5 4.4 -0.52 -1.6 to 0.57 0.346
IMD scorea 793 14.4 12.2 158 21.1 16.2 6.7 4.5 to 8.9 <0.001
Children
Age (years) 990 6.0 0.43 309 6.0 0.43 0.007 -0.04 to 0.06 0.786
BMI-z scoreb 978 0.23 0.93 293 0.38 1.00 0.15 0.02 to 0.28 0.016
IMD scorea 990 14.0 12.0 181 20.2 15.9 6.2 4.2 to 8.2 <0.001
Boys
Age (years) 520 6.0 0.43 144 6.0 0.23 -0.003 -0.08 to 0.07 0.941
BMI-z scoreb 512 0.25 0.96 135 0.34 0.95 0.09 -0.10 to 0.27 0.350
IMD score 520 14.3 12.2 94 19.0 15.4 4.7 1.8 to 7.5 0.001
Girls
Age (years) 470 6.0 0.43 165 6.0 0.16 0.02 -0.05 to 0.08 0.627
BMI-z scoreb 466 0.21 0.90 158 0.42 1.1 0.21 0.04 to 0.38 0.014
IMD score 470 13.7 11.8 87 21.6 16.4 7.9 5.0 to 10.8 <0.001
Weight categories n Normal weight (%)c Overwt (%) Obese (%) n Normal weight (%)c Overwt (%) Obese (%)
All children 978 87.1 10.0 2.9 293 78.2 17.4 4.4 0.001
Boys 512 90.4 7.2 2.3 135 83.7 14.1 2.2 0.042
Girls 466 83.5 13.1 3.4 158 73.4 20.3 6.3 0.019

aA high value indicates greater deprivation; bChild BMI was standardized for age; cIncluding underweight.

Jago et al.

Jago et al. International Journal of Behavioral Nutrition and Physical Activity 2014 11:54   doi:10.1186/1479-5868-11-54

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