From: A behavioral strategy to minimize air pollution exposure in pregnant women: a randomized controlled trial
Intervention (N = 53)
Control (N = 51)
Mean changea (SD)
Pb
Perceived benefits
2.04 (4.16)
0.272 (3.67)
0.003
Perceived barriers
−4.42 (5.02)
−2.61 (5.51)
0.10
Self-efficacy
3.35 (3.34)
−0.22 (2.5)
0.0001