Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial

Table 4 Correlation coefficients for the association of children’s iso-BMI and PA with mothers’ BMI and PA in the total sample at the 7-year follow-up

Mothers	BMI^e		Daily PA^f		Regular exercise^f		Weekly frequency of exercise^g		Duration of exercise session^g		Intensity of exercise^g		Commuting PA^f
Children	r	p	r_s	p	r_s	p	r_s	p	r_s	p	r_s	p	r_s	p
Iso-BMI^a	0.254	0.000
Daily MVPA^b	–	–	0.102	0.088	0.054	0.374	0.080	0.272	0.089	0.223	0.126	0.085	0.052	0.387
Frequency of leisure time MVPA	–	–	0.112	0.061	0.060	0.314	0.096	0.187	0.027	0.712	0.100	0.168	0.042	0.487
Weekly leisure time MVPA	–	–	0.129	0.030	0.019	0.747	0.079	0.281	0.076	0.296	0.106	0.146	−0.030	0.621
Intensity of PA^c	–	–	−0.027	0.658	0.012	0.837	0.030	0.684	0.003	0.964	0.212	0.003	0.060	0.320
Daily use of electronical devices^d	–	–	−0.043	0.474	−0.062	0.306	−0.001	0.091	0.019	0.797	0.035	0.633	−0.002	0.979

BMI body mass index, Iso-BMI BMI adjusted for age and sex, MVPA moderate to vigorous physical activity, PA physical activity; Regular exercise = weekly physical activity to maintain or improve physical fitness, r Pearson correlation coefficient, r_s Spearman correlation coefficient
^aMissing data for 32 children in the intervention group and 20 children in the control group
^bMissing data for two children in the control group
^cMissing data for one child in the control group
^dMissing data for one child in the intervention group
^eMissing data for nine mothers in the intervention group and five mothers in the control group
^fMissing data for one mother in the intervention group
^gAnswers requested only for mothers reporting regular exercise (n = 114 in the intervention group; n = 76 in the control group)

ISSN: 1471-2431