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. 2021 Nov 11;8(3):308-319.
doi: 10.1002/osp4.573. eCollection 2022 Jun.

Sociodemographic determinants of prepregnancy body mass index and gestational weight gain: The Mutaba'ah study

Tuck Seng Cheng  1 , Nasloon Ali  2 , Iffat Elbarazi  2 , Rami H Al-Rifai  2 , Fatma Al-Maskari  2   3 , Tom Loney  4 , Luai A Ahmed  2   3
Affiliations

Sociodemographic determinants of prepregnancy body mass index and gestational weight gain: The Mutaba'ah study

Tuck Seng Cheng et al. Obes Sci Pract. .

Abstract

Objective: This study examined the associations of sociodemographic and lifestyle factors with prepregnancy body mass index (BMI) and gestational weight gain (GWG).

Methods: In the Mutaba'ah Study in the United Arab Emirates, repeated measurements throughout pregnancy from medical records were used to determine prepregnancy BMI and GWG. Associations of sociodemographic and lifestyle factors with prepregnancy BMI and GWG (separately by normal weight, overweight, and obesity status) were tested using multivariable regression models, adjusted for maternal age at delivery.

Results: Among 3536 pregnant participants, more than half had prepregnancy overweight (33.2%) or obesity (26.9%), and nearly three-quarters had inadequate (34.2%) or excessive (38.2%) GWG. Higher parity (β for 1-2 to ≥5 children = 0.94 to 1.73 kg/m2), lower maternal education (β for tertiary = -1.42), infertility treatment (β = 0.69), and maternal prepregnancy active smoking (β = 1.95) were independently associated with higher prepregnancy BMI. Higher parity was associated with a lower risk for excessive GWG among women with prepregnancy normal weight (odds ratios (ORs) for 1-2 to ≥5 children = 0.61 to 0.39). Higher maternal education was negatively associated with inadequate GWG among women with normal weight and overweight (ORs for tertiary education = 0.75 and 0.69, respectively).

Conclusions: Sociodemographic factors, especially parity and maternal education, were differentially associated with prepregnancy BMI and GWG adequacy across weight status.

Keywords: gestational weight gain; maternal education; parity; prepregnancy body mass index; sociodemographics.

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Conflict of interest statement

The authors declared no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results. TSC's work is partially supported by the UK Medical Research Council (MC_UU_00006/2).

Figures

FIGURE 1
FIGURE 1
Gestational weight gain stratified by prepregnancy BMI status among pregnant women in Al Ain, UAE: The Mutaba'ah study
FIGURE 2
FIGURE 2
Factors associated with prepregnancy body mass index in pregnant women in Al Ain, UAE: The Mutaba'ah study
See this image and copyright information in PMC

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