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Table 1 Baseline characteristics of 496,851 participants included in the study

From: Joint and interactive associations of body mass index and genetic factors with cardiovascular disease: a prospective study in UK Biobank

Characteristic

No. (%) / mean (SD) / median (IQR)

Total, No

496,851

Follow-up, median (IQR), y

12.4 (11.5–13.1)

Sex, n (%)

 F±ð³¾²¹±ô±ð

270,726 (54.5)

 M²¹±ô±ð

226,125 (45.5)

Age, mean (SD), y

56.5 (8.1)

Age, n (%)

 â¶Äƒ&±ô³Ù; 60Ìý²â±ð²¹°ù²õ

281,778 (56.7)

 â¶Ä‰â‰¥â€‰60Ìý²â±ð²¹°ù²õ

215,073 (43.3)

Ethnicity, n (%)

 O³Ù³ó±ð°ù²õ

26,466 (5.3)

 W³ó¾±³Ù±ð

470,385 (94.7)

Household income, n (%)

 Less than £31,000

203,314 (40.9)

 £31,000 and above

218,710 (44.0)

 Missing value

74,827 (15.1)

Employment statusa, n (%)

â€Ç㳦³Ù¾±±¹±ð

284,872 (57.3)

 I²Ô²¹³¦³Ù¾±±¹±ð

210,119 (42.3)

 Missing value

1860 (0.4)

Education, n (%)

 O³Ù³ó±ð°ù²õ

256,400 (51.6)

 Degree or professional education

231,568 (46.6)

 Missing value

8883 (1.8)

Body mass index, mean (SD), kg/m2

27.4 (4.8)

Body mass index, n (%)

 N´Çrmal weight (< 25.0 kg/m2)

164,289 (33.1)

 Overweight (25.0–29.9 kg/m2)

211,099 (42.5)

 Obesity (≥ 30.0 kg/m2)

121,463 (24.4)

Smoking status, n (%)

 N±ð±¹±ð°ù

271,123 (54.6)

 P°ù±ð±¹¾±´Ç³Ü²õ

171,605 (34.5)

 C³Ü°ù°ù±ð²Ô³Ù

52,241 (10.5)

 Missing value

1882 (0.4)

Drink frequency, n (%)

 Daily or almost daily

100,991 (20.3)

 Three or four times a week

114,645 (23.1)

 Once or twice a week

128,317 (25.8)

 O³¦³¦²¹²õ¾±´Ç²Ô²¹±ôb

112,664 (22.7)

 N±ð±¹±ð°ù

39,779 (8.0)

 Missing value

455 (0.1)

Health dietc, n (%)

 N´Ç

261,786 (52.7)

 Y±ð²õ

216,848 (43.6)

 Missing value

18,217 (3.7)

IPAQ, n (%)

 L´Ç·É

75,184 (15.1)

 M´Ç»å±ð°ù²¹³Ù±ð

162,887 (32.8)

‽ö¾±²µ³ó

161,009 (32.4)

 Missing value

97,771 (19.7)

Townsend deprivation index, median (IQR)

-2.1 (-3.6–0.5)

Townsend deprivation index, quintiles, n (%)

 1 (least deprived)

99,213 (20.0)

 2

99,283 (20.0)

 3

99,245 (20.0)

 4

99,250 (20.0)

 5 (most deprived)

99,253 (20.0)

 Missing value

607 (0.1)

  1. Abbreviations: IPAQ International physical activity questionnaire, IQR interquartile range, SD standard deviation
  2. aEmployment status refers to paid employment and unpaid employment. bOccasional include individuals who drink on special occasions only and individuals who drink ~ 1–2 times a month. cHealth diet bases on a healthy diet score adopted from the American Heart Association guidelines, which assigned 1 point for more than 2 of the following three items, otherwise 0 points: (1) Total fruit and vegetable intake: ≥ 4.5 pieces or servings per day (1 serving being 3 tablespoons); (2) Total fish intake ≥ 2 times per week; (3) Red meat intake ≤ 5 times per week and processed meat intake ≤ 2 times per week