Table 1.

Baseline characteristics of ARIC study participants, n = 14,508.

Leisure-time physical activityTV viewing
None<Median≥MedianSeldom/neverSometimesOften/very oftenOverall
N = 5,615N = 4,424N = 4,446N = 2,670N = 6,779N = 5,030N = 14,508
Age at visit 1, mean (SD)54.4 (5.7)54.4 (5.8)54.7 (5.8)54.0 (5.7)54.4 (5.7)54.9 (5.8)54.3 (5.7)
Male, n (%)2,312 (41)1,801 (41)2,454 (55)1,098 (41)2,905 (43)2,562 (51)6,582 (45)
ARIC center, n (%)
 Forsyth County, NC1,175 (21)1,207 (27)1,297 (29)705 (26)1,759 (26)1,213 (24)3,682 (25)
 Jackson, MS2,119 (38)784 (18)616 (14)400 (15)1,634 (24)1,485 (30)3,536 (24)
 Minneapolis, MN953 (17)1,269 (29)1,417 (32)845 (32)1,644 (24)1,150 (23)3,640 (25)
 Washington County, MD1,368 (24)1,164 (26)1,116 (25)720 (27)1,742 (26)1,182 (24)3,650 (25)
Race, n (%)
 White3,313 (59)3,465 (78)3,730 (84)2,224 (83)4,982 (74)3,296 (66)10,514 (73)
 African American2,302 (41)959 (22)716 (16)446 (17)1,797 (27)1,734 (35)3,994 (28)
Education, n (%)
 High school or less3,771 (67)2,383 (54)1,984 (45)1,292 (49)3,747 (55)3,094 (62)8,155 (56)
 Vocational414 (7)405 (9)385 (9)215 (8)566 (8)422 (8)1,205 (8)
 College1,019 (18)1,214 (28)1,443 (33)818 (31)1,752 (26)1,106 (22)3,679 (25)
 graduate/professional399 (7)418 (10)627 (14)341 (13)705 (10)398 (8)1,445 (10)
 Missing1247491024
LTPAa, n (%)
 No LTPA849 (32)2,603 (38)2,161 (43)5,615 (39)
 <Median805 (30)2,042 (30)1,575 (31)4,424 (31)
 ≥Median1,016 (38)2,134 (32)1,294 (26)4,446 (31)
 Missing00023
TV viewing, n (%)
 Seldom/never849 (15)805 (18)1,016 (23)2,670 (18)
 Sometimes2,603 (46)2,042 (46)2,134 (48)6,779 (47)
 Often/very often2,161 (39)1,575 (36)1,294 (29)5,030 (35)
 Missing22229
Smoking, n (%)
 Current smoker1,803 (32)1,058 (24)890 (20)543 (20)1,650 (24)1,557 (31)3,760 (26)
 Past smoker1,510 (27)1,409 (32)1,739 (39)867 (33)2,153 (32)1,638 (33)4,665 (32)
 Never smoker2,298 (41)1,955 (44)1,812 (41)1,257 (47)2,974 (44)1,829 (36)6,071 (42)
 Missing42532612
Alcohol intake, n (%)
 Not current drinker3,774 (68)2,707 (62)2,348 (53)1,621 (61)4,182 (62)3,020 (61)8,835 (61)
 ≤100 g1,100 (20)1,124 (26)1,342 (30)694 (26)1,672 (25)1,200 (24)3,566 (25)
 >100 g700 (13)574 (13)731 (17)344 (13)887 (13)774 (16)2,007 (14)
 Missing411925113836100
BMI, mean (SD)28.7 (6.0)27.4 (5.2)26.9 (4.6)26.9 (5.0)27.7 (5.4)28.3 (5.6)27.8 (5.4)
 Missing63222723
MHT, n (%)
 Current user of unopposed estrogen409 (13)335 (13)276 (14)194 (13)512 (14)314 (13)1,020 (14)
 Current user of estrogen + progestin103 (3)154 (6)165 (9)114 (8)220 (6)88 (4)422 (6)
 Never used2,194 (70)1,650 (66)1,175 (62)983 (65)2,440 (66)1,592 (68)5,019 (66)
 Former user of any type421 (14)380 (15)296 (16)222 (15)511 (14)364 (15)1,097 (15)
 Missing14780564215883291
Postmenopausal, n (%)2,948 (90)2,303 (89)1,730 (88)1,322 (85)3,427 (89)2,228 (91)6,988 (89)
 Missing0000000
Daily servings of red meat intake, mean (SD)1.2 (1.0)1.1 (0.8)1.0 (0.8)1.0 (0.8)1.1 (0.8)1.2 (1.0)1.1 (0.9)
 Missing124111161042
  • aLTPA categories: <median (0.1−<13.2 MET-h/week), ≥median (13.2+ MET-h/week).