Gestational Weight Gain among Healthy Pregnant Women from Asia in Comparison with Institute of Medicine (IOM) Guidelines-2009: A Systematic Review

Table 1

Study characteristics of included .

Reference	Study design	n	Age (years)	Mean GWG (kg)	Quality Rating
[15]	Prospective; RCT	102	Control group: 24.28 (NR); Intervention group: 24.31(NR)	Control group-12.29; Intervention group:12.45	Fair
[16]	Retrospective; Cohort	2,728	27.4 (NR)	UW- 9.3,; NW- 9.1, OW- 9.0; OB- 8.5	4
[17]	Retrospective; Cohort	97,157	31.8 (NR)	UW-10.27,; NW- 10.11, OW- 7.98; OB- 5.5	4
[18]	Retrospective; Cross-sectional	75	NR (25-	Unemployed - 14.2; Employed women- 14.3	3
[19]	Retrospective; Cohort	48,867	NR (NR)	UW- 15.47,; NW- 14.51, OW- 12.95; OB- 12.69	7
[20]	Retrospective; Cohort	33,973	27.6 (NR)	UW- 16.5,; NW- 17.7, OW- 18.1; OB- 17.3	7
[21]	Prospective; Cohort	123	25.09 (N	9.7	6
[14]	Retrospective; Cohort	4,735	28.2 (19-3	8.	5
[22]	Prospective; Cohort	200	NR (NR)	NR	4
[23]	Retrospective; Cohort	436	NR (N	NR	3
[24]	Retrospective; Cohort	510	NR (18-44)	15.	8
[25]	Retrospective; Cohort	85,765	NR (NR)	UW- 19,; NW- 17.2, OW- 14.4; OB- 13.5	4
[26]	Retrospective; RCT	1,436	25.8 (NR)	1	good

GWG: gestational weight gain, NR: not reported, NW; normal weight, OB; obese, OW: overweight, RCT: randomised control trial, UW: underweight.
All values are mean; ranges in parenthesis (unless otherwise indicated).
the participants were healthy Asian women with a singleton pregnancy.
was reported stratified by exposure or outcome.
study, vast majority of the subjects (90.7%) were between 19 and 35 years.
study, mean GWG was reported but it was not stratified by different levels of body mass index (BMI).
study, mean GWG was reported stratified by employment status of participants.