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Table 1 Summary of included studies

From: Person-centred care in interventions to limit weight gain in pregnant women with obesity - a systematic review

Authors, year (country) Research design Study aim1 Intervention focus Gestational weight gain measurement Gestational weight gain results
Baker, 2011 (England) [22] Service development1 To develop a service to help prevent childhood obesity in the future by improving the health, eating habits and physical activity of pregnant women (p 633) Physical activity and healthy eating Not clear when baseline measure conducted, post measures at 38 weeks Participants (N = 75) gained on average 7.3 kg (SD 5.7)
Claesson et al. 2008 (Sweden) [23] Prospective case–control intervention study To minimise obese women’s total weight gain during pregnancy to less than 7 kg (p 44) Physical activity and healthy eating Baseline ≤ 12 weeks, post measures at week of delivery or 1–2 weeks before delivery Intervention group (N = 143) gained significantly less weight (8.7 kg, SD 5.51) compared to control group (N = 193; 11.3 kg, SD 5.80)
Ong et al. 2009 (Australia) [24] Randomised controlled trial (intervention vs control group) To assess the effect of exercise on glucose tolerance and aerobic fitness (p 419) Physical activity Measured at 18 and 28 weeks No difference between intervention group (N = 6; 3.7 kg, SD 3.4) and control group (N = 6; 5.2 kg, SD 1.3).
Renault et al. 2014 (Denmark) [25] Randomised controlled trial To measure the effect on maternal gestational weight gain of a pedometer intervention with and without diet support (p 134.e2) Physical activity (and in one intervention group physical activity and healthy eating) Pre-pregnancy and post measure at 36–37 weeks Both intervention groups gained less weight (physical activity group (N = 125; median 8.6 kg, range −9.6-34.1, physical activity and diet group N = 130; median 9.4 kg, range −3.4-28.2) than the control group (N = 134; median 10.9 kg, range −4.4-28.7). There was no difference between the intervention groups.
Three groups; physical activity only, physical activity and diet, control
Shirazian et al. 2010 (USA) [26] Prospective historical cohort To investigate whether a comprehensive lifestyle modification programme would be an effective way to limit weight gain during pregnancy and reduce associated obesity related complications (p 412) Physical activity and healthy eating First prenatal visit, not clear when post measure conducted Intervention group (N = 21) gained significantly less weight (8.1 kg, SD 7.4) compared to matched historical control group (N = 20; 15.4 kg, SD 7.5).
Storck Lindholm et al. 2010 (Sweden) [27] Prospective pilot study To control weight gain through an intervention program with the primary aim of limiting maternal pregnancy weight gain to ≤ 6 kg (p 840) Physical activity and healthy eating Study entry (first trimester), no clear when post measure was conducted Weight gain for group (N = 25) was 6.9 (SD 0.4) kg.
Thornton et al. 2009 (USA) [28] Randomised clinical trial To compare perinatal outcomes in the control versus intervention group (p 571) Healthy eating Pre-pregnancy, post measure was the last weight measurement before delivery Intervention group (N = 116) gained significantly less weight (5.0 kg, SD 6.8) compared to control group (N = 116; 14.1 kg, SD 7.4 kg).
Vinter et al. 2011 (Denmark) [29] Randomised controlled trial To study the effects of a lifestyle intervention on gestational weight gain and obstetric outcomes (p 2502) Physical activity and healthy eating At study entry (<15 weeks) and at 35 weeks Intervention group (N = 150) gained less weight (median 7.0, range 4.7-10.6 kg) compared to control group (N = 154; median 8.6, range 5.7-11.5 kg).
West, 2010 (England) [30] Community service1 To create a service which encouraged a healthy weight gain (p 19) Physical activity and healthy eating No info provided Participants (N = 291) gained on average 7.4 kg
Wolff et al. 2008 (Denmark) [31] Randomised controlled trial To assess if restriction of gestational weight gain can be achieved by dietary counselling (p 496) Healthy eating Pre-pregnancy and at delivery Intervention group (N = 23) gained less weight (6.6 kg, SD 5.5) compared to control group (N = 27, 13.3 kg, SD 7.5).
  1. 1As described by study authors; SD = standard deviation.