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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: Chronobiol Int. 2018 Apr 11;35(8):1045–1053. doi: 10.1080/07420528.2018.1454458

Table 3.

Hazard ratios for all-cause mortality by chronotype as ordinal variable.

All-Cause Mortality CVD Mortality
Hazard Ratio (95% CI) a Hazard Ratio (95% CI) a
Number of Deaths a 10,534 2,127
Chronotype (4-level variable) 1.02 (1.004 to 1.05)
p=.017
1.04 (1.00 to 1.09)
p=.06
Age (per 10 years) 2.31 (2.24 to 2.39)
p<.001
2.41 (2.24 to 2.59)
p<.001
Sex 1.59 (1.53, 1.65)
p<.001
2.72 (2.46 to 3.00)
p<.001
BMI (per 5 kg/m2) 1.01 (0.99 to 1.04)
p=.18
1.19 (1.13 to 1.24)
p<.001
Smoking Status
 Never 1.0 (referent) 1.0 (referent)
 Previous 1.33 (1.27 to 1.39)
p<.001
1.26 (1.14 to 1.39)
p<.001
 Current 2.6 (2.4 to 2.7)
p<.001
2.96 (2.63 to 3.34)
p<.001
 No answer 1.74 (1.35 to 2.24)
p<.001
1.80 (1.06 to 3.05)
p=.03
Sleep duration (h) 1.04 (1.02 to 1.05)
p<.001
1.03 (1.00 to 1.07)
p=.072
Prevalent Comorbidities:
 CVD 1.30 (1.25 to 1.35)
p<.001
2.04 (1.85 to 2.26)
p<.001
 Diabetes 1.73 (1.63 to 1.84)
p<.001
2.12 (1.89 to 2.38)
p<.001
 Neurological 1.17 (1.10 to 1.25)
p<.001
1.23 (1.08 to 1.41)
p=.003
 Endocrine (0.94 to 1.10)
p=.76
.98 (.81 to 1.18)
p=.83
 Renal (0.95 to 1.11)
p=.45
1.11 (.95 to 1.30)
p=.17
 Respiratory 1.30 (1.23 to 1.36)
p<.001
1.30 (1.17 to 1.44)
p<.001
 Musculoskeletal (0.97 to 1.06)
p=.68
1.05 (.95 to 1.15)
p=.37
 Gastrointestinal/abdominal 1.05 (1.001 to 1.11)
p=.045
0.93 (0.82 to 1.04)
p=.20
 Psychological 1.27 (1.19 to 1.36)
p<.001
1.27 (1.10 to 1.47)
p=.001
White ethnicity 1.47 (1.32 to 1.65)
p<.001
1.25 (1.003 to 1.55)
p=.047
Socioeconomic deprivation (Townsend Index 1.06 (1.05 to 1.06)
p<.001
1.07 (1.06 to 1.08)
p<.001
Pseudo r2 .03 .06
a

No missing data