Variables

Adequate sleep

χ^{2} (d.f. = 1)

Odds ratio

95% Confidence Interval



Higher

Lower
   


n (%)
   

Body size
     
Nonoverweight

184 (51.7%)

172 (48.3%)

12.11***

1.74

1.3~2.4

Overweight

114 (38.1%)

186 (61.9%)
   
Visiting doctors^{1}
     
Lower

224 (49.7%)

227 (50.3%)

9.82**

1.71

1.2~2.4

Higher

75 (36.6%)

130 (63.4%)
   

^{1}"Visiting doctors" is defined as frequency of using health insurance.
 "Lower" is defined as a frequency of using health insurance below the total sample average (less than or equal to 2×);
 "Higher" is defined as a frequency of using health insurance above the total sample average (above or equal to 3×).
 ** Fisher's exactly test: p < 0.01; *** p < 0.001