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Logo of bmcmdBioMed Centralsearchsubmit a manuscriptregisterthis articleBMC Medical Genetics
 
From:
Published online 2009 January 30. doi: 10.1186/1471-2350-10-9

Table 1

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

Current BMI*

UnderweightNormalOverweightObese
N = 26N = 898N = 989N = 443
Gender, # (%)
Male4 (15.4)380 (42.3)571 (57.7)232 (52.4)
Female22 (84.6)518 (57.7)418 (42.3)211 (47.6)
Age in yrs, # (%)
50–593 (11.5)218 (24.2)248 (25.1)126 (28.4)
60–647 (26.9)194 (21.6)268 (27.1)128 (28.9)
65–698 (30.8)254 (28.3)258 (26.1)108 (24.4)
70–748 (30.8)232 (25.8)215 (21.7)81 (18.3)
Race, # (%)
Caucasian23 (88.5)799 (89.0)888 (89.8)359 (81.0)
African American1 (3.8)37 (4.1)43 (4.3)30 (6.7)
Other2 (7.7)62 (6.9)58 (5.9)18 (4.1)
Education, # (%)
<= 12 years14 (53.8)264 (29.4)306 (31.0)165 (37.3)
Some College7 (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)
Missing0 (0.0)1 (0.002)2 (0.002)1 (0.003)
Marital Status, # (%)
Married/living as married14 (53.8)613 (68.3)716 (72.4)313 (70.7)
Unmarried12 (46.2)285 (31.7)271 (27.4)103 (23.3)
Missing0 (0.0)0 (0.0)2 (0.002)0 (0.0)
Smoking Status, # (%)
Never3 (11.5)81 (9.0)84 (8.5)43 (9.7)
Current19 (73.1)461 (51.3)434 (43.9)146 (33.0)
Former4 (15.4)356 (39.6)471 (47.6)254 (57.3)
Cigarettes per day, # (%)
1–108 (34.8)286 (35.0)286 (31.6)135 (33.8)
11–209 (39.1)286 (35.0)316 (34.9)111 (27.8)
21+6 (26.1)245 (30.0)303 (33.5)154 (38.5)

* 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.