Table 3.
Depressive Symptoms Regressed on Study Variables NLSY-79 Cohort (N = 6,372).
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
B | SE | B | SE | b | SE | B | SE | B | SE | B | SE | |
Shift work | ||||||||||||
Eveninga | .166* | .07 | .167* | .07 | .164* | .07 | .162* | .07 | .169* | .07 | .164* | .07 |
Nighta | .132* | .06 | .094 | .06 | .118 | .06 | .139* | .06 | .131* | .06 | .117* | .06 |
Rotatinga | −.017 | .06 | −.026 | .06 | −.019 | .06 | −.023 | .06 | −.017 | .06 | −.027 | .05 |
Irregulara | .136** | .04 | .118** | .04 | .115** | .04 | .123** | .04 | .143** | .04 | .109** | .04 |
Sleep health | ||||||||||||
Short sleep weekdayb (⩽6 hours) | .202*** | .02 | .078** | .03 | ||||||||
Short sleep weekendsc (⩽6 hours) | .233*** | .03 | .116*** | .03 | ||||||||
Insomnia symptomsd | .441*** | .02 | .404*** | .02 | ||||||||
Sleep latencye (30–60 minutes) | .135*** | .03 | .075** | .03 | ||||||||
Controls | ||||||||||||
Womenf | .250*** | .02 | .256*** | .02 | .254*** | .02 | .192*** | .02 | .245*** | .02 | .198*** | .02 |
Blackg | −.036 | .03 | −.062* | .03 | −.064* | .03 | −.013 | .03 | −.045 | .03 | −.044 | .03 |
Hispanicg | −.110*** | .03 | −.114** | .03 | −.114** | .03 | −.072* | .03 | −.112** | .03 | −.080** | .03 |
Age | −.018 | .01 | −.020* | .01 | −.020* | .01 | −.017 | .01 | −.018 | .01 | −.019 | .01 |
Marriedh | −.142*** | .03 | −.136*** | .03 | −.131*** | .03 | −.136*** | .03 | −.141*** | .03 | −.128*** | .03 |
Parenti | .077* | .03 | .029* | .03 | .070* | .03 | .080** | .03 | .083** | .03 | .077** | .03 |
Caregiverj | .164*** | .04 | .156*** | .04 | .157*** | .04 | .162*** | .04 | .171*** | .04 | .159*** | .04 |
High school degreek | −.137* | .05 | −.130* | .05 | −.130* | .05 | −.116* | .05 | −.140** | .05 | −.113* | .05 |
Collegek | −.167** | .05 | −.154** | .05 | −.145** | .05 | −.146** | .05 | −.168** | .05 | −.131* | .05 |
Income (logged) | −.040*** | .01 | −.041*** | .01 | −.039*** | .01 | −.039*** | .01 | −.041*** | .01 | −.040*** | .01 |
Poor self−rated healthl | .603*** | .04 | .573*** | .04 | .565*** | .04 | .524*** | .04 | .595*** | .04 | .496*** | .04 |
Constant | 2.15*** | .53 | 2.20*** | .52 | 2.18*** | .53 | 1.81*** | .51 | 2.13*** | .53 | 1.86*** | .51 |
R 2 | .13 | .14 | .14 | .18 | .13 | .19 |
Working during day (reference).
Seven or more hours sleep during week (reference).
Seven or more hours sleep on the weekend (reference).
No insomnia symptoms (reference).
Sleep latency 0 to 29 minutes (reference).
Men (reference).
White (reference).
Not married (reference).
Non-parents.
Non-caregiver.
Less than high school degree (reference).
Good health (reference).
p < .05.
p < .01.
p < .001 (two-tailed tests).