marginally significantp = 0.047
Physical activity showed a marginally significant inverse association with nicotine dependence in smokers (OR = 0.94, 95%CI: 0.88–1.00, p = 0.047), with a threshold of 4.26 METs-hour per day, and showed a marginally significant direct association with nicotine dependence over the threshold (OR = 1.02, 95%CI: 1.01–1.03, p = 0.005) ( Table S3 ).