Table 1

Study sample demographics by levels of weightlifting as reported

DemographicsNone n=76,428
(76.8%)
Less than 1 times/month n=1454
(1.5%)
1–3 times/month n=4208
(4.2%)
1–2 times/week n=8441
(8.5%)
3–6 times/week* n=8359
(8.4%)
≥7* times/week n=589
(0.6%)
Age at randomisation62.3 (5.2)60.6 (4.8)60.8 (4.8)61.1 (4.9)61.6 (4.9)63.2 (5.3)
Age at follow-up71.4 (5.9)69.5 (5.7)69.8 (5.6)70.2 (5.7)70.8 (5.6)72.6 (6.2)
No of comorbidities1.3 (1.2)1.1 (1.2)1.1 (1.1)1.0 (1.1)1.0 (1.1)1.2 (1.2)
BMI (kg/m2)
 <18.5
 18.5–24.9
 25–29.9
 30–34.9
 ≥35
2956 (3.9%)
22 804 (30.4%)
31 391 (41.8%)
12 706 (16.9%)
5212 (6.9%)
56 (3.9%)
488 (34.0%)
635 (44.2%)
193 (13.4%)
64 (4.5%)
147 (3.6%)
1593 (38.4%)
1710 (41.2%)
522 (12.6%)
174 (4.2%)
312 (3.8%)
3509 (42.2%)
3299 (39.7%)
927 (11.1%)
264 (3.2%)
312 (3.8%)
3505 (42.6%)
3235 (39.3%)
936 (11.4%)
236 (2.9%)
34 (5.8%)
245 (41.9%)
211 (36.1%)
73 (12.5%)
21 (3.6%)
Sex
 Men
 Women
35 737 (46.8%)
40 691 (53.2%)
654 (45.0%)
800 (55.0%)
1938 (46.1%)
2270 (53.9%)
3847 (45.6%)
4594 (54.4%)
4604 (55.1%)
3755 (44.9%)
347 (58.9%)
242 (41.1%)
Race
 White
 Black
 Hispanic
 Other
68 447 (91.4%)
2474 (3.3%)
1073 (1.4%)
2914 (3.9%)
1292 (91.0%)
49 (3.5%)
26 (1.8%)
53 (3.7%)
3767 (91.2%)
115 (2.8%)
73 (1.8%)
176 (4.3%)
7644 (92.5%)
183 (2.2%)
115 (1.4%)
325 (3.9%)
7495 (91.3%)
158 (1.9%)
175 (2.1%)
385 (4.7%)
526 (91.3%)
13 (2.3%)
15 (2.6%)
22 (3.8%)
Smoking
 Never
 Former
 Current
35 309 (46.9%)
544 (7.4%)
34 386 (45.7%)
652 (45.5%)
63 (4.4%)
717 (50.0%)
1935 (46.7%)
183 (4.4%)
2023 (48.9%)
3813 (45.7%)
308 (3.7%)
4218 (50.6%)
3649 (44.2%)
323 (3.9%)
4286 (51.9%)
292 (50.1%)
22 (3.8%)
269 (46.1%)
Alcohol intake
 None
 <0.2 g/day
 0.2–1.39 g/day
 1.4–10.7 g/day
 >10.7 g/day
28 (0.1%)
8703 (25.6%)
8388 (24.6%)
8725 (25.6%)
8209 (24.1%)
0 (0%)
127 (20%)
143 (22.5%)
181 (28.5%)
184 (29.0%)
2 (0.1%)
371 (19.9%)
422 (22.6%)
508 (27.3%)
561 (30.1%)
3 (0.1%)
688 (18.3%)
774 (20.6%)
1102 (29.4%)
1185 (31.6%)
3 (0.1%)
688 (18.8%)
793 (21.7%)
1009 (27.6%)
1170 (31.9%)
0 (0%)
69 (24.5%)
69 (25.5%)
61 (22.5%)
72 (26.6%)
Education
 <High school
 High school
 College
 >College
4445 (5.9%)
18 400 (24.6%)
26 250 (35.1%)
25 653 (34.3%)
19 (1.3%)
176 (12.4%)
444 (31.3%)
779 (54.9%)
82 (2.0%)
585 (14.2%)
1345 (32.6%)
2114 (51.2%)
161 (2.0%)
1113 (13.5%)
2633 (31.9%)
4346 (52.7%)
226 (2.8%)
1258 (15.4%)
2579 (31.5%)
4134 (50.4%)
39 (6.8%)
105 (18.3%)
188 (32.8%)
242 (42.2%)
Aerobic MVPA groups
 None (0 min)
 Some (1–149 min)
 Meets (150–300 min)
 Exceeds (>301 min)
27 792 (36.7%)
27 871 (36.8%)
15 173 (20.1%)
4847 (6.4%)
466 (32.2%)
592 (40.9%)
326 (22.5%)
64 (4.4%)
881 (21.1%)
1923 (46.0%)
1096 (26.2%)
284 (6.8%)
757 (9.0%)
3603 (48.9%)
3261 (38.9%)
780 (9.3%)
509 (6.1%)
2416 (29.1%)
3553 (42.8%)
1834 (22.1%)
76 (13.0%)
144 (24.5%)
171 (29.1%)
196 (33.4%)
  • *For regression analysis, these top two categories of 3–6 times/week and ≥7 times/week were combined owing to the small number of deaths in these categories.

  • BMI, body mass index; MVPA, moderate–vigorous physical activity.