From: Effect of smoking status on total energy expenditure
Overall
Never smokers
Current smokers
Difference
Males
2882 ± 518
2854 ± 468
3069 ± 764
214 (p = 0.08)
Females
2319 ± 409
2330 ± 415
2266 ± 387
64 (p = 0.46)