Table 2:

Population characteristics of all predictors that were prespecified and included in the model

CharacteristicMedian (IQR) or no. (%)
Female cohortMale cohort
Derivation
n = 42 185
(377 635 person-years)
Validation
n = 14 801
(72 317 person-years)
Derivation
n = 35 066
(309 500 person-years)
Validation
n = 12 167
(59 026 person-years)
Age, yr48.0 (35.0–63.0)51.0 (37.0–64.0)46.0 (35.0–59.0)49.0 (36.0–62.0)
Smoking
Current9533 (22.6)2884 (19.5)9409 (26.8)2935 (24.1)
Pack-years15.5 (7.0–28.5)16.2 (3.5–28.9)18.8 (8.5–34.0)18.8 (8.2–36.0)
Former smoker < 5 yr ago2947 (7.0)916 (6.2)2933 (8.4)921 (7.6)
Pack-years11.9 (3.9–27.8)10.9 (3.5–29.9)17.9 (6.0–36.0)15.0 (4.6–35.0)
Former smoker ≥ 5 yr ago7928 (18.8)3059 (20.7)8750 (25.0)3270 (26.9)
Pack-years6.5 (1.0–18.5)7.2 (1.7–19.5)12.0 (2.5–27.0)13.0 (3.8–28)
Nonsmoker15 843 (37.6)6019 (40.7)8724 (24.9)3235 (26.6)
Missing5934 (14.1)1923 (13.0)5250 (15.0)1806 (14.8)
Alcohol
Current drinker33 063 (78.4)11 693 (79.0)30 178 (86.1)10 466 (86.0)
No. of drinks in the previous week1 (0–4)1 (0–4)3 (0–9)4 (0–10)
Former drinker6217 (14.7)*3642 (10.4)*
Nondrinker2839 (6.7)3090 (20.9)1188 (3.4)1679 (13.8)
Missing66 (0.2)18 (0.1)58 (0.2)22 (0.2)
Diet
Fruit and vegetables, servings/d3.4 (2.3–5.0)3.7 (2.4–5.3)2.6 (1.7–3.8)2.7 (1.7–4.1)
Potato consumption, servings/d0.3 (0.1–0.6)0.3 (0.1–0.4)0.3 (0.1–0.6)0.3 (0.1–0.6)
Juice consumption, servings/d1.0 (0.1–1.0)0.4 (0.1–1.0)1.0 (0.3–1.0)1.0 (0.1–1.0)
Physical activity
Energy expenditure, kcal/kg/d1.3 (0.5–2.7)1.4 (0.5–2.7)1.6 (0.6–3.1)1.6 (0.6–3.1)
Body mass index24.7 (21.8–28.1)24.9 (22.1–28.9)26.2 (23.9–28.9)26.4 (24.1–29.3)
Self-perceived stress
Not at all/not very14 769 (35.0)5340 (36.1)13 082 (37.3)4787 (39.3)
A bit17 286 (41)6292 (42.5)14 276 (40.7)4983 (41.0)
Quite a bit/extremely10 072 (23.9)3098 (20.9)7645 (21.8)2352 (19.3)
Missing58 (0.1)71 (0.5)63 (0.2)45 (0.4)
Sense of belonging
Very strong/somewhat strong27 552 (65.3)10 118 (68.4)21 768 (62.1)7977 (65.6)
Somewhat weak/very weak13 850 (32.8)4373 (29.5)11 981 (34.2)3848 (31.6)
Missing783 (1.9)310 (2.1)1317 (3.8)342 (2.8)
Ethnicity
White38 089 (90.3)12 894 (87.1)31 369 (89.5)10 577 (86.9)
Black519 (1.2)280 (1.9)432 (1.2)206 (1.7)
Chinese590 (1.4)229 (1.5)570 (1.6)217 (1.8)
Aboriginal685 (1.6)432 (2.9)516 (1.5)348 (2.9)
South Asian, Arab, West Asian867 (2.1)440 (3.0)901 (2.6)411 (3.4)
Japanese, Korean, Southeast Asian, Filipino503 (1.2)206 (1.4)423 (1.2)166 (1.4)
Other, multiple origin, unknown, Latin American854 (2.0)218 (1.5)788 (2.2)166 (1.4)
Missing78 (0.2)102 (0.7)67 (0.2)76 (0.6)
Immigration status
Immigrant8544 (20.3)3163 (21.4)7153 (20.4)2594 (21.3)
Fraction of life lived in Canada0.60 (0.36–0.73)0.60 (0.36–0.73)0.59 (0.35–0.74)0.60 (0.38–0.75)
Nonimmigrant33 591 (79.6)11 618 (78.5)27 868 (79.5)9565 (78.6)
Missing50 (0.1)20 (0.1)45(0.1)8 (0.1)
Education
Less than secondary school graduation8330 (19.7)2388 (16.1)6486 (18.5)1966 (16.1)
Secondary school graduation8754 (20.8)2749 (18.6)6567 (18.7)2048 (16.8)
Some postsecondary education3099 (7.3)935 (6.3)2587 (7.4)897 (7.4)
Postsecondary graduation21 711 (51.5)8658 (58.5)19 079 (54.4)7204 (59.2)
Missing291 (0.7)71 (0.5)347 (1.0)52 (0.4)
Neighbourhood deprivation
Low8189 (19.4)2658 (18.0)7255 (20.7)2285 (18.8)
Moderate26 229 (62.2)9231 (62.3)21 760 (62.1)7664 (63.0)
High6890 (16.3)2471 (16.7)5313 (15.2)1900 (15.6)
Missing877 (2.1)441 (3.0)738 (2.1)318 (2.6)
Diabetes status
Yes diabetes2159 (5.1)949 (6.4)2041 (5.8)952 (7.8)
No diabetes40 004 (94.8)13 846 (93.5)33 004 (94.1)11 201 (92.1)
Missing22 (0.1)6 (0.04)21 (0.1)14 (0.1)
Hypertension status
Yes hypertension8089 (19.2)3344 (22.5)5659 (16.1)2471 (20.3)
No hypertension34 060 (80.7)11 435 (77.3)29 333 (83.7)9643 (79.3)
Missing36 (0.1)22 (0.1)74 (0.2)53 (0.4)
Survey cycle
113 932 (33.0)11 644 (33.2)
214 093 (33.4)11 685 (33.3)
314 160 (33.6)11 737 (33.5)
  • Note: IQR = interquartile range.

  • * Former drinkers and nondrinkers were combined in 1 category in Canadian Community Health Survey 2007/08.