Table 1. BMI results for the baseline demographic of the cohort.

Baseline demographic	BMI, kg/m2		P value
	Mean	Standard deviation
Gender			0.010
Female	24.0	4.7
Male	25.0	3.9
Comorbidities			<0.001
No	25.0	4.6
Yes	22.3	3.8
Smoking status			0.001
Current	23.1	3.8
Ex-smoker	24.9	4.6
Non-smoker	24.3	4.7
Occupation			0.850
Unemployed	24.1	4.6
Other	24.2	4.5

BMI, body mass index.