Table 1 MBMM + MBMM+ Intervention strategies and theoretical components

Baseline Participant Packet

Increase prenatal exercise knowledge, stress management, sleep hygiene and strategies, barriers, and solutions to physical activity

Behavioral capability, observational learning, expectations, self-efficacy, and reinforcements

Week 1

Sessions 1 & 2

Increased prenatal exercise knowledge and goal setting

Behavioral capability, observational learning, expectations, self-efficacy, and reinforcements

Week 2

Sessions 3 & 4

Stress reduction technique^a, sleep strategies, awareness of values, knowledge of sleep, weight, and physical activity triad

Behavioral capability, observational learning, and reinforcements

Week 3

Sessions 5 & 6

Stress reduction technique^a, goal revisions, increased awareness, and weight gain and stress relationship

Expectations, self-efficacy, and reinforcements

Week 4

Sessions 7 & 8

Stress reduction technique^a, social support, goal management, benefits of yoga, and safe prenatal yoga practices

Behavioral capability, observational learning, expectations, and reinforcements

Week 5

Sessions 9 & 10

Stress reduction technique^a, barriers, and solutions to physical activity, and identifying social and environmental supports

Behavioral capability, self-efficacy, and reinforcements

Week 6

Sessions 11 & 12

Stress reduction technique^a, dimensions of wellbeing, prenatal nutrition, and mindful eating

Behavioral capability and reinforcements

Week 7

Sessions 13 & 14

Stress reduction techniques^a, stress management, and gratitude

Behavioral capability, self-efficacy, and reinforcements

Week 8

Sessions 15 & 16

Stress reduction technique^a, physical activity during postpartum, preparing for the postpartum, postpartum self-care, and commitment letter

Behavioral capability, expectations, reinforcements, and self-efficacy