Table 2.

Descriptive statistics of potential moderators or covariates

	M or n	s.d. or %	Min	Max	Skewness	Kurtosis
Household income ($)	88 028.09	67 051.84	0.00	300 000.00	1.14	1.41
Body mass index	28.83	6.96	16.82	66.26	1.43	3.35
Number of chronic illnesses	1.77	1.75	0.00	6.00	0.73	−0.57
Number of prescription medications	2.76	3.55	0.00	21.00	1.68	3.54
Tertiary education (%)	405	65.96	–	–	−0.36	−0.67
Smoker (%)	260	42.35	–	–	0.31	−1.91
Physical exercise (at least 3×/week) (%)	466	75.90	–	–	−1.21	−0.53

M, mean; n, number of participants; s.d., standard deviation; Min, minimum; Max, maximum.