Table 2.

Parental weight change and risk of overweight and obesity in offspring

Weight status	Incidence of overweight and obesity in offspring, %	OR (95%CI)a	P
Paternal weight change
Persistent normal weight (n = 2252)	3.8	Ref
Reversion (n = 94)	7.5	1.74 (0.75–4.02)	0.198
Incident overweight and obesity (n = 306)	10.5	2.46 (1.58–3.84)	< 0.001
Persistent overweight and obesity (n = 311)	15.1	3.22 (2.13–4.87)	< 0.001
Maternal weight change
Persistent normal weight (n = 2232)	4.9	Ref
Reversion (n = 73)	2.7	0.58 (0.14–2.45)	0.457
Incident overweight and obesity (n = 306)	8.2	1.77 (1.10–2.82)	0.018
Persistent overweight and obesity (n = 352)	9.9	2.03 (1.34–3.09)	< 0.001

^aAdjusted for sex, the length of follow-up, Han Nationality, and baseline characteristics (year of study entry, age, household asset score, urban residence and energy intake)

OR indicates odds ratio, CI indicates confidence interval

Ref indicated that the corresponding group was considered as “reference” group