Evaluation of an eHealth intervention aiming to promote healthy food habits from infancy -the Norwegian randomized controlled trial Early Food for Future Health

Table 5 Anthropometric data (mean ± SD) for control and intervention group at baseline (5.5 months) and follow-up (12 months)

Group Allocation	Unadjusted			Adjusted for baseline values
Group Allocation	Mean ± SD	Mean difference (95% CI)	p value	Mean difference^c(95% CI)	p value
Child BMI
Baseline^a
Intervention	17.04 ± 1.46	− 0.26 (− 0.56 to 0.42)	0.091
Control	17.30 ± 1.47	NA
Follow-up^b
Intervention	17.10 ± 1.40	−0.01 (− 0.28 to 0.26)	0.96	0.16 (− 0.09 to 0.42)	0.21
Control	17.11 ± 1.31	NA
BMI z-scores
Baseline
Intervention	−0.06 ± 0.95	−0.17 (− 0.37 to 0.03)	0.095
Control	0.11 ± 0.97	NA
Follow-up
Intervention	0.31 ± 0.99	−0.02 (−0.21 to 0.17)	0.85	0.09 (−0.09 to 0.27)	0.30
Control	0.33 ± 0.88	NA		NA
Change in BMI z-scores
Baseline to follow-up
Intervention	0.30 ± 0.85	0.17 (−0.03 to 0.37)	0.097	0.15 (−0.04 to 0.34)	0.13
Control	0.14 ± 0.77	NA		NA

Linear regression and multiple linear regression are used for between-group comparison of continuous outcomes
^a Baseline: n = 365
^b Follow-up: n = 380
^c Adjusted for the respective baseline value