Table 2.
Participant demographics
| Demographics | ACO (N=299) | Asthma (N=1,609) | Asthma age-matched subgroup (N=299) | COPD (N=479) | P-valuesa (ACO vs asthma) | P-valuesa (ACO vs age-matched asthma subgroup) | P-valuesa (ACO vs COPD) |
|---|---|---|---|---|---|---|---|
| Age (years), weighted mean ± SD | 60±0.7 | 37±0.6 | 60.0±0.8 | 61±0.4 | <0.001 | 0.966 | 0.444 |
| Sex, n (weighted %) | |||||||
| Male | 115 (39) | 747 (44) | 115 (32) | 282 (56) | 0.284 | 0.163 | 0.002 |
| BMI (kg/m2), weighted mean ± SD | 30.5±0.5 | 28.9±0.3 | 31.3±0.6 | 29.4±0.4 | 0.005 | 0.318 | 0.097 |
| Race, n (weighted %) | |||||||
| White | 166 (78.9) | 649 (66.1) | 134 (74.1) | 301 (82.3) | |||
| African American | 72 (10.3) | 445 (14.7) | 85 (13.6) | 84 (6.5) | |||
| Mexican American | 15 (1.6) | 179 (6.9) | 19 (2.4) | 31 (1.9) | <0.001 | 0.220 | 0.173 |
| Hispanic (other) | 24 (3.8) | 181 (6.3) | 38 (5.7) | 31 (2.4) | |||
| Other (including multiracial) | 22 (5.4) | 155 (6.0) | 23 (4.1) | 32 (6.9) | |||
| Marital status, n (weighted %) | |||||||
| Married | 130 (54.1) | 479 (47.0) | 161 (60.1) | 257 (57.0) | |||
| Widowed | 58 (14.3) | 66 (3.9) | 43 (12.1) | 60 (9.4) | |||
| Divorced | 58 (16.0) | 143 (11.3) | 46 (14.6) | 91 (18.5) | <0.001 | 0.814 | 0.590 |
| Separated | 13 (3.6) | 40 (2.8) | 13 (4.4) | 20 (2.8) | |||
| Never married | 32 (7.4) | 314 (27.3) | 26 (6.2) | 29 (6.2) | |||
| Living with partner | 8 (4.6) | 108 (7.8) | 9 (2.6) | 21 (6.1) | |||
| Health insurance coverage, n (weighted %) | |||||||
| Covered by health insurance | 253 (87.2) | 1,257 (81.6) | 257 (90.2) | 410 (86.9) | 0.055 | 0.304 | 0.932 |
| Insurance type (categories not mutually exclusive) | |||||||
| Private | 129 (57.2) | 743 (59.3) | 145 (65.6) | 242 (61.5) | 0.660 | 0.074 | 0.437 |
| Medicare | 132 (36.1) | 193 (10.4) | 120 (33.9) | 210 (35.4) | <0.001 | 0.605 | 0.837 |
| Medicaid | 53 (11.8) | 280 (11.5) | 42 (9.1) | 56 (8.1) | 0.905 | 0.315 | 0.114 |
| Other | 39 (12.1) | 220 (12.2) | 43 (11.9) | 68 (12.0) | 0.970 | 0.952 | 0.878 |
Notes: All statistics are weighted to account for NHANES complex survey design (including oversampling), survey nonresponse, and post-stratification.
a
P-values shown against overall categories or individual parameters as applicable.
Abbreviations: ACO, asthma–COPD overlap; BMI, body mass index; NHANES, National Health and Nutrition Examination Survey; SD, standard deviation.