Table 4.

Spearman rank correlations between user star ratings, higher versus lower user star ratings, and indices for the apps (N=82).

Indices		User star ratings (1-5), ρ	P value	Higher versus lower user star ratingsa, ρ	P value
Tracking indices
	Breastfeeding index	0.391	<.001	0.303	.006
	Bottle-feeding index	0.334	.002	0.242	.03
	Solid-food index	0.422	<.001	0.411	<.001
	Infant-health index	0.255	.02	0.196	.08
	Infant-care index	0.252	.02	0.190	.09
Nontracking indices
	Technical index	0.343	.002	0.269	.02
	Informatics index	0.104	.35	–0.036	.75
	Informational index	–0.186	.09	–0.181	.10
	Interactivity index	–0.077	.49	–0.055	.62

^aApps with higher user star ratings are those with ≥4.5 stars; apps with lower user star ratings are those with <4.5 stars.