Table 1.

Baseline characteristics of those in the good and poor adherence groups

	Total (n=173)	Good (n=44)	Poor (n=129)	p value
Age (year)	57.3±13.4	59.6±10.6	56.3±14.2	0.201
Sex male (%)	84.4	80.1	85.5	0.168
ESS	9.1±5.0	9.7±5.0	8.8±5.0	0.258
BMI (kg/m2)	26.8±4.4	26.7±3.3	26.9±4.7	0.792
NC (cm)	39.4±3.4	40.1±2.6	39.1±3.6	0.077

Date are presented as mean ± standard deviation. The two-sample t-test or the Mann–Whitney U test was used for continuous variables, and the chi-squared test was used for categorical variables.

ESS: Epworth Sleepiness Scale; BMI: body mass index; NC: neck circumference.