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. Author manuscript; available in PMC: 2016 May 18.
Published in final edited form as: Behav Sleep Med. 2014 Aug 12;13(6):506–523. doi: 10.1080/15402002.2014.940110

TABLE 1.

Correlations and Descriptive Statistics Among Study Variables

Variable 1 2 3 4 5 6 7 8 9 10
1. Income-to-poverty ratio
2. Material needs .45***
3. Ends meet .29*** .65***
4. Financial cuts .24** .59*** .68***
5. Education .52*** .31*** .10 .09
6. Stress −.15~ −.46*** −.45*** −.44*** .07
7. Chaos −.17* −.36*** −.43*** −.37*** −.07 .42***
8. Sleep minutes .25** .13 .03 −.01 .08 .07 −.11
9. Sleep efficiency .25** .16− .09 .02 .13 −.03 .09 .45***
10. Subjective sleep problems −.13 −.23** −.20** −.25** −.23** .41*** .16* −.16~ −.07
M 1.89 17.59 10.56 37.66 4.86 15.82 17.83 395.35 93.59 6.71
SD .92 6.11 2.56 4.56 1.12 6.51 2.98 63.25 8.82 3.54
~

p < .10;

*

p < .05;

**

p < .01.

***

p < .001.