Table 3 Association between daytime napping and five components of successful aging among the total population and stratified by the nighttime sleep duration groups

TOTAL

OR (95%CI)

< 6 h

OR (95%CI)

6 to less than 8 h

OR (95%CI)

≥8 h

OR (95%CI)

 0 min

1

1

1

1

 1–60 min

0.776 (0.686–0.878)

0.818 (0.666–1.004)

0.740 (0.599–0.916)

0.753 (0.598–0.949)

  > 60 min

0.761 (0.651–0.889)

0.770 (0.581–1.020)

0.720 (0.548–0.947)

0.759 (0.582–0.988)

TOTAL

OR (95%CI)

< 6 h

OR (95%CI)

6 to less than 8 h

OR (95%CI)

≥8 h

OR (95%CI)

 0 min

1

1

1

1

 1–60 min

0.848 (0.674–1.067)

0.931 (0.675–1.285)

0.746 (0.462–1.203)

0.730 (0.448–1.188)

  > 60 min

0.595 (0.455–0.777)

0.859 (0.558–1.324)

0.355 (0.213–0.591)

0.581 (0.345–0.980)

TOTAL

OR (95%CI)

< 6 h

OR (95%CI)

6 to less than 8 h

OR (95%CI)

≥8 h

OR (95%CI)

 0 min

1

1

1

1

 1–60 min

1.233 (1.063–1.430)

1.608 (1.257–2.056)

1.187 (0.918–1.535)

0.925 (0.699–1.223)

  > 60 min

1.062 (0.883–1.277)

1.226 (0.880–1.707)

0.875 (0.634–1.209)

1.060 (0.774–1.452)

TOTAL

OR (95%CI)

< 6 h

OR (95%CI)

6 to less than 8 h

OR (95%CI)

≥8 h

OR (95%CI)

 0 min

1

1

1

1

 1–60 min

0.927 (0.794–1.083)

1.023 (0.808–1.295)

0.783 (0.585–1.049)

0.952 (0.704–1.287)

  > 60 min

0.775 (0.640–0.937)

0.870 (0.632–1.196)

0.573 (0.405–0.811)

0.881 (0.627–1.238)

TOTAL

OR (95%CI)

< 6 h

OR (95%CI)

6 to less than 8 h

OR (95%CI)

≥8 h

OR (95%CI)

 0 min

1

1

1

1

 1–60 min

1.183 (1.044–1.339)

1.246 (1.014–1.530)

1.091 (0.880–1.353)

1.200 (0.949–1.519)

  > 60 min

1.120 (0.958–1.310)

1.223 (0.923–1.619)

0.880 (0.667–1.159)

1.300(0.993–1.700)