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Table 1 Selected characteristics of study participants from the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial (PLCO)

From: SLC6A3and body mass index in the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial

 

Current BMI*

 

Underweight

Normal

Overweight

Obese

 

N = 26

N = 898

N = 989

N = 443

Gender, # (%)

    

Male

4 (15.4)

380 (42.3)

571 (57.7)

232 (52.4)

Female

22 (84.6)

518 (57.7)

418 (42.3)

211 (47.6)

Age in yrs, # (%)

    

50–59

3 (11.5)

218 (24.2)

248 (25.1)

126 (28.4)

60–64

7 (26.9)

194 (21.6)

268 (27.1)

128 (28.9)

65–69

8 (30.8)

254 (28.3)

258 (26.1)

108 (24.4)

70–74

8 (30.8)

232 (25.8)

215 (21.7)

81 (18.3)

Race, # (%)

    

Caucasian

23 (88.5)

799 (89.0)

888 (89.8)

359 (81.0)

African American

1 (3.8)

37 (4.1)

43 (4.3)

30 (6.7)

Other

2 (7.7)

62 (6.9)

58 (5.9)

18 (4.1)

Education, # (%)

    

<= 12 years

14 (53.8)

264 (29.4)

306 (31.0)

165 (37.3)

Some College

7 (26.9)

318 (35.5)

376 (38.1)

167 (37.7)

College grad.

5 (19.2)

315 (35.1)

305 (30.9)

110 (24.9)

Missing

0 (0.0)

1 (0.002)

2 (0.002)

1 (0.003)

Marital Status, # (%)

    

Married/living as married

14 (53.8)

613 (68.3)

716 (72.4)

313 (70.7)

Unmarried

12 (46.2)

285 (31.7)

271 (27.4)

103 (23.3)

Missing

0 (0.0)

0 (0.0)

2 (0.002)

0 (0.0)

Smoking Status, # (%)

    

Never

3 (11.5)

81 (9.0)

84 (8.5)

43 (9.7)

Current

19 (73.1)

461 (51.3)

434 (43.9)

146 (33.0)

Former

4 (15.4)

356 (39.6)

471 (47.6)

254 (57.3)

Cigarettes per day, # (%)

    

1–10

8 (34.8)

286 (35.0)

286 (31.6)

135 (33.8)

11–20

9 (39.1)

286 (35.0)

316 (34.9)

111 (27.8)

21+

6 (26.1)

245 (30.0)

303 (33.5)

154 (38.5)

  1. * BMI categorized as Underweight (≤ 18 kg/m2), Normal (18–24.9 kg/m2), Overweight (25–29.9 kg/m2) or Obese (≥ 30 kg/m2); data on BMI at baseline were missing for N = 8 individuals.