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. Author manuscript; available in PMC: 2013 Aug 10.
Published in final edited form as: Dis Esophagus. 2012 Dec 13;26(6):561–569. doi: 10.1111/dote.12007

Table 1.

Total Weighted N = 22,409 95% CI 20,888−23,930 Heartburn ≥3d/week + Weighted N = 3,934 95% CI 2,853−5,015 Heartburn ≥3d/week − Weighted N = 18,475 95% CI 16,847−20,102
Male (%) 8,852 (39.5) 33.8−45.4 1,172 (29.8) 17.3−46.1 7,667(41.5) 35.2−48.1

Mean Age, y 43.2 40.8−45.6 46.4 41.5−51.3 42.5 39.9−45.2

Body Mass Index (Kg/m2) 29.03 28.12−29.94 31.00 28.80−33.20 28.61 27.61−29.61

Male: Waist/Hip Ratio 0.89 0.88−0.90 0.91 0.88−0.94 0.89 0.87−0.90
Female: Waist/Hip Ratio 0.87 0.86−0.88 0.87 0.84−0.90 0.87 0.86−0.88

Socioeconomic

Educational Attainment (%)
< High School 6,476 (28.9) 23.9−34.4 1,180(30.0) 18.4−44.8 5,284 (28.6) 23.2−34.7
High School Graduate 14,207 (63.4) 57.5−68.9 2,219 (56.4) 40.9−70.7 11,990 (64.9) 58.6−70.8
College Graduate 1,725 (7.7) 4.9−12.0 535 (13.6) 4.8−33.3 1,201 (6.5) 4.0−10.2

Marital Status (%)
Single 16,941 (75.6) 69.9−80.6 2,954 (75.1) 58.9−86.3 14,004 (75.8) 69.5−81.1
Divorced 2,711 (12.1) 8.2−17.4 586 (14.9) 5.7−33.6 2,125 (11.5) 7.5−17.1
Separated 650 (2.9) 1.7−5.0 122 (3.1) 1.1−8.6 517 (2.8) 1.5−5.3
Married 2,106 (9.4) 6.6−13.3 271 (6.9) 3.0−15.1 1,829 (9.9) 6.7−14.5

Household Income (USD) (%)
No earnings 7,609 (34.0) 28.6−39.8 936 (23.8) 13.6−38.2 6,688 (36.2) 30.1−42.7
< 20K 10,622 (47.4) 41.3−53.5 1,920 (48.8) 34.1−63.7 8,702 (47.1) 40.4−53.9
20K−50K 3,675 (16.4) 12.3−21.6 1,054 (26.8) 14.8−43.6 2,623 (14.2) 10.2−19.5
>50K 493 (2.2) 1.2−3.9 24 (0.6) 0.1−4.7 462 (2.5) 1.4−4.5

Apartment Living (%) 7,709 (34.4) 29.0−40.3 1,043 (26.5) 15.6−41.2 6,669 (36.1) 30.0−42.6
Health Insurance (%)
None 4,594 (20.5) 16.1−25.6 728(18.5) 9.3−33.4 3,861 (20.9) 16.2−26.6
Mcare/Mcare HMO 1,569 (7.0) 1.8−11.5 586 (14.9) 5.5−34.6 998 (5.4) 3.1−9.1
Mcaid/Mcaid HMO 12,885 (57.5) 49.8−67.8 2,294 (58.3) 42.9−72.3 10,605 (57.4) 48.6−69.1
Commercial/Com HMO 3,137 (14.0) 9.4−20.7 327 (8.3) 2.8−23.5 2,808 (15.2) 9.9−23.0
VA 179 (0.8) 0.3−2.1 0 (0.0) 0.0−1.1 185 (1.0) 0.4−2.6

Lifestyle Behaviors

Physical Activity Level (%)*
Low 2,598 (13.2) 9.7−17.7 865 (22.0) 12.3−36.1 2,088 (11.3) 7.8−16.0
Medium 8,695 (38.8) 33.0−44.9 1,377 (32.5) 21.2−46.4 7,408(40.1) 33.6−46.9
High 10,756 (48.0) 42.0−54.1 1,786 (45.4) 31.4−60.3 8,979 (48.6) 42.0−55.3

Tobacco Dependence (%) **
Non-Smoker 9,569 (42.7) 36.7−48.9 1,475 (37.5) 24.3−53.0 8,092 (43.8) 37.2−50.6
Low 6,745 (30.1) 25.0−35.8 1,314(33.4) 21.5−47.8 5,432 (29.4) 23.9−35.6
Medium 5,087 (22.7) 18.1−28.0 960 (24.4) 14.6−37.9 4,120 (22.3) 17.3−28.2
High 1,188 (5.3) 3.2−8.7 185 (4.7) 1.2−16.9 1,016 (5.5) 3.2−9.2

Likelihood of Prescription or Illicit Drug Abuse (%)
Low 18,331 (81.8) 77.1−85.7 3,552 (90.3) 81.8−95.1 14,780 (80.0) 74.5−84.5
Moderate 2,398 (10.7) 7.9−14.4 244 (6.2) 2.8−13.3 2,162(11.7) 8.4−16.0
High 1,681 (7.5) 5.0−11.3 138 (3.5) 1.1−10.9 1,552 (8.4) 5.4−12.8

Harmful Drinking Behavior (%) 2,756 (12.3) 9.2−16.2 692 (17.6) 9.5−30.3 2,069 (11.2) 8.0−15.4

Medical Care

Primary Care Physician (%) 17,636 (78.7) 73.5−83.2 3,269 (83.1) 69.0−91.6 14,374 (77.8) 72.0−82.7
Diabetes Mellitus (%) 1,860 (8.3) 5.6−12.1 555 (14.1) 6.5−28.0 1,312(7.1) 4.5−11.0

Medications (%)
Calcium Channel Blocker 1,367 (6.1) 3.4−10.7 386 (9.8) 4.6−19.7 998 (5.4) 2.5−11.0
Beta-Agonist 2,510 (11.2) 7.8−16.0 810 (20.6) 11.6−34.0 1,700 (9.2) 5.7−14.5
Anti-Cholinergic 2,062 (9.2) 6.5−12.9 327 (8.3) 3.7−17.6 1,737 (9.4) 6.4−13.7
NSAID 2,689 (12.0) 8.8 16.0 661 (16.8) 9.1−28.8 2,032 (11.0) 7.7−15.3
*

Adapted from Paffenberger

**

Fagerstrom Test for Nicotine Dependence

The Drug Abuse Screening Test (DAST) is a 28-item self-report scale that consists of items that parallel those of the Michigan Alcoholism Screening Test (MAST). The DAST has “exhibited valid psychometric properties” and has been found to be “a sensitive screening instrument for the abuse of drugs other than alcohol.

Alcohol Use Inventory (AUDIT) – score >=8.

USD – United States Dollars