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. 2022 Jun 21;12(6):e061242. doi: 10.1136/bmjopen-2022-061242

Table 1.

Characteristics of 475 men aged 73 years in the study population

Factors (% missing values) Self-perceived health
Total n=475 Better n=193 Worse n=282
Anthropometrics, lifestyle and demographic factors
 Body mass index (1.1%) 27.07 (4.1) 25.77 (2.8) 27.96 (4.5)
 University degree (0%) 96 (20.2%) 57 (29.5%) 39 (13.8%)
 Ever smoker (1.9%) 313 (65.9%) 113 (58.5%) 200 (70.9%)
  Pack-years of smoking (9.7%) 8.84 (16.6) 10.06 (21.6) 8.00 (11.9)
 Exercise frequency (1.7%)
  Less than once a week 82 (17.3%) 10 (5.2%) 72 (25.5%)
  1–3 times a week 134 (28.2%) 42 (21.8%) 92 (32.6%)
  3–6 times a week 146 (30.7%) 79 (40.9%) 67 (23.8%)
  Everyday 113 (23.8%) 62 (32.1%) 51 (18.1%)
 Standard units of alcohol (15.8%) 6.43 (6.3) 6.88 (5.8) 6.13 (6.6)
 Sleep quality (0.6%)
  Very bad 65 (13.7%) 4 (2.1%) 61 (21.6%)
  Bad 159 (33.5%) 36 (18.7%) 123 (43.6%)
  Quite good 137 (28.8%) 80 (41.5%) 57 (20.2%)
  Good 5 (1.1%) 0 (0.0%) 5 (1.8%)
  Very good 109 (22.9%) 73 (37.8%) 36 (12.8%)
 Sleep duration (0.6%)
  4 hours or less 43 (9.1%) 8 (4.1%) 35 (12.4%)
  5 hours 77 (16.2%) 21 (10.9%) 56 (19.9%)
  6 hours 177 (37.3%) 80 (41.5%) 97 (34.4%)
  7 hours 130 (27.4%) 68 (35.2%) 62 (22.0%)
  8 hours 32 (6.7%) 14 (7.3%) 18 (6.4%)
  9 hours 5 (1.1%) 1 (0.5%) 4 (1.4%)
  10 hours or more 11 (2.3%) 1 (0.5%) 10 (3.5%)
Symptoms
 Anxiety (2.9%) 1.03 (2.0) 0.12 (0.4) 1.65 (2.4)
 Appetite (2.5%) 0.71 (1.7) 0.05 (0.4) 1.16 (2.1)
 Breathlessness (2.9%) 2.08 (2.6) 0.50 (1.0) 3.16 (2.8)
 Depression (3.2%) 1.48 (2.2) 0.25 (0.6) 2.32 (2.5)
 Drowsiness (4.0%) 2.35 (2.4) 0.73 (0.9) 3.46 (2.5)
 Fatigue (3.2%) 2.76 (2.6) 0.90 (1.2) 4.03 (2.5)
 Nausea (2.9%) 0.60 (1.5) 0.09 (0.5) 0.95 (1.8)
 Pain (2.7%) 2.84 (2.6) 1.05 (1.4) 4.07 (2.5)
Health conditions (4.2%)
 Cancer 89 (18.7%) 33 (17.1%) 56 (19.9%)
 Cardiovascular disease 179 (37.7%) 48 (24.9%) 131 (46.5%)
 Diabetes 79 (16.6%) 18 (9.3%) 61 (21.6%)
 Hypertension 275 (57.9%) 91 (47.2%) 184 (65.2%)
 Hyperlipidaemia 127 (26.7%) 36 (18.7%) 91 (32.3%)
 Respiratory disease 85 (17.9%) 17 (8.8%) 68 (24.1%)
 Rheumatological disease 30 (6.3%) 9 (4.7%) 21 (7.4%)

All values are presented as the mean (SD) or frequency (%). Values in the table correspond to the values after imputation of missing values by median for continuous variables and mode for categorical variables.