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Table 2 Correlates of All-Cause Mortality at Key Periods of the Year

From: Excess mortality at Christmas due to cardiovascular disease in the HUNT study prospective population-based cohort in Norway

  Dec 1st – 21st (Winter) versus
May 17th – June 6th (Summer)
Dec 22nd – Jan 11th (Christmas/New Year)
versus Dec 1st – 21st (Winter/Pre-Christmas)
  Men
(n = 1543)
P Women
(n = 1351)
P Men
(n = 1636)
P Women
(n = 1424)
P
Demographic profile, adjusted HR (95% CI)
 Age at baseline (per year) 1.06 (1.05–1.07) .001 1.05 (1.04–1.06) .001 1.06 (1.05–1.07) .001 1.05 (1.04–1.06) .001
 ≤ 9 years education vs. rest 0.92 (0.72–1.78) .362 0.97 (0.78–1.21) .804 1.05 (0.90–1.15) .519 1.25 (1.03–1.52) .026
 Married vs. rest 0.93 (0.56–1.49) .769 0.98 (0.55–1.69) .903 0.71 (0.59–0.86) .001 0.70 (0.54–91) .001
Well-being, adjusted HR (95% CI)
 Good/V. good physical health vs. rest 0.75 (0.64–0.87) .001 0.82 (0.70–0.95) .008 0.79 (0.68–0.92) .002 0.82 (0.70–0.95) .009
 Life dissatisfaction vs. rest 1.65 (1.23–3.23) .004 1.52 (1.03–2.25) .036 0.76 (0.50–1.15) .194 1.13 (0.77–1.66) .530
Medical History, adjusted HR (95% CI)
 Angina pectoris vs. rest 1.26 (0.98–1.63) .074 1.57 (1.19–2.08) .002 1.39 (1.06–1.80) .016 1.99 (1.05–1.84) .021
 Acute myocardial infarction vs. rest 1.52 (1.11–2.07) .008 1.64 (0.92–2.91) .092 1.45 (1.06–1.99) .021 2.41 (1.46–3.80) .001
 Stroke vs. rest 1.23 (0.78–1.94) .371 1.50 (0.87–2.58) .142 1.25 (0.78–1.97) .326 2.01 (1.28–3.17) .002
Lifestyle, adjusted HR (95% CI)
 Current smoker vs. rest 1.28 (1.06–1.53) .009 1.24 (1.04–1.49) .018 1.39 (1.16–1.66) .001 1.51 (1.26–1.82) .001
Vital Signs, adjusted HR (95% CI)
 Heart rate (per 5 beats/minute) 1.03 (1.01–1.06) .011 1.02 (0.98–1.05) .360 1.03 (1.00–06) .045 1.02 (0.99–1.95) .152
 Systolic BP (per 5 mm/Hg) 1.04 (1.02–1.07) .001 1.04 (1.02–06) .001 1.03 (1.01–05) .002 1.03 (1.00–03) .019
 Diastolic BP (per 5 mm/Hg) 0.98 (0.94–1.03) .445 1.07 (1.03–09) .001 0.99 (0.96–1.04) .822 0.96 (0.92–1.01) 0.087