Table 2.
Demographic and Health-Related Characteristics of Teach-Back Cohort Before and After Matching
| Prior to matching | After matching | ||||||
|---|---|---|---|---|---|---|---|
| Total | Teach-back | Control | P value | Teach-back | Control | P value | |
| Characteristics Sample no. | 14,110 | 4163 | 9947 | 3994 | 3994 | ||
| Age group (years), no. (%) | 0.10 | 0.48 | |||||
| 18–34 | 1680 (11.9) | 469 (11.3) | 1211 (12.2) | 458 (11.5) | 453 (11.3) | ||
| 35–44 | 1721 (12.2) | 476 (11.4) | 1245 (12.5) | 463 (11.6) | 460 (11.5) | ||
| 45–54 | 2903 (20.6) | 907 (21.8) | 1996 (20.1) | 867 (21.7) | 865 (21.7) | ||
| 55–64 | 3381 (24.0) | 993 (23.9) | 2388 (24.0) | 955 (23.9) | 977 (24.5) | ||
| 65–74 | 2553 (18.1) | 759 (18.2) | 1794 (18.0) | 719 (18.0) | 721 (18.1) | ||
| 75+ | 1872 (13.3) | 559 (13.4) | 1313 (13.2) | 532 (13.3) | 518 (13.0) | ||
| Sex, no. (%) | 0.09 | 0.85 | |||||
| Male | 5965 (42.3) | 1805 (43.4) | 4160 (41.8) | 1730 (43.3) | 1664 (41.7) | ||
| Female | 8145 (57.7) | 2358 (56.6) | 5787 (58.2) | 2264 (56.7) | 2330 (58.3) | ||
| Race/ethnicity, no. (%) | < .001 | 0.89 | |||||
| Non-Hispanic White | 7233 (51.3) | 1678 (40.4) | 5555 (55.9) | 1643 (41.1) | 1622 (40.6) | ||
| Non-Hispanic Black | 3076 (21.8) | 1173 (28.2) | 1903 (19.2) | 1090 (27.3) | 1110 (27.8) | ||
| Hispanic | 2660 (18.9) | 967 (23.3) | 1693 (17.0) | 931 (23.3) | 921 (23.1) | ||
| Non-Hispanic Asian | 784 (5.6) | 244 (5.9) | 540 (5.4) | 238 (6.0) | 237 (5.9) | ||
| Other/multiple group | 337 (2.4) | 95 (2.3) | 242 (2.4) | 92 (2.3) | 104 (2.6) | ||
| Education, no. (%) | < .001 | 0.80 | |||||
| Less than high school | 2641 (18.7) | 1048 (25.2) | 1593 (16.0) | 984 (24.6) | 989 (24.8) | ||
| High school/GED | 4049 (28.7) | 1248 (30.0) | 2801 (28.2) | 1187 (29.7) | 1155 (28.9) | ||
| Some college | 3995 (28.3) | 1105 (26.5) | 2890 (29.1) | 1075 (26.9) | 1100 (27.5) | ||
| Bachelor’s or beyond | 3425 (24.3) | 762 (18.3) | 2663 (26.8) | 748 (18.7) | 750 (18.8) | ||
| Family income, no. (%) | < .001 | 0.66 | |||||
| Poor | 3392 (24.0) | 1130 (27.1) | 2262 (22.7) | 1070 (26.8) | 1076 (26.9) | ||
| Low income | 2162 (15.3) | 739 (17.8) | 1423 (14.3) | 697 (17.5) | 696 (17.4) | ||
| Middle income | 4023 (28.5) | 1168 (28.1) | 2855 (28.7) | 1121 (28.1) | 1118 (28.0) | ||
| High income | 4533 (32.1) | 1126 (27.0) | 3407 (34.3) | 1106 (27.7) | 1104 (27.6) | ||
| Marital status, no. (%) | < .001 | 0.96 | |||||
| Not married | 6535 (46.3) | 2065 (49.6) | 4470 (44.9) | 1967 (49.2) | 1965 (49.2) | ||
| Married | 7575 (53.7) | 2098 (50.4) | 5477 (55.1) | 2027 (50.8) | 2029 (50.8) | ||
| Employment, no. (%) | < .001 | 0.64 | |||||
| Not employed | 6807 (48.2) | 2111 (50.7) | 4696 (47.2) | 2004 (50.2) | 1959 (49.0) | ||
| Employed | 7303 (51.8) | 2052 (49.3) | 5251 (52.8) | 1990 (49.8) | 2035 (51.0) | ||
| Census region, no. (%) | 0.22 | 0.35 | |||||
| Northeast | 2366 (16.8) | 711 (17.1) | 1655 (16.6) | 679 (17.0) | 681 (17.1) | ||
| Midwest | 2889 (20.5) | 809 (19.4) | 2080 (20.9) | 783 (19.6) | 745 (18.7) | ||
| South | 5432 (38.5) | 1636 (39.3) | 3796 (38.2) | 1557 (39.0) | 1630 (40.8) | ||
| West | 3423 (24.3) | 1007 (24.2) | 2416 (24.3) | 975 (24.4) | 938 (23.5) | ||
| Health insurance, no. (%) | < .001 | 0.88 | |||||
| Private | 8395 (59.5) | 2235 (53.7) | 6160 (61.9) | 2171 (54.4) | 2161 (54.1) | ||
| Public | 4562 (32.3) | 1567 (37.6) | 2995 (30.1) | 1477 (37.0) | 1496 (37.5) | ||
| Uninsured | 1153 (8.2) | 361 (8.7) | 792 (8.0) | 346 (8.7) | 337 (8.4) | ||
| Having usual source of care provider, no. (%) | 0.13 | 0.60 | |||||
| No | 1248 (8.9) | 345 (8.4) | 903 (9.2) | 337 (8.4) | 350 (8.8) | ||
| Yes | 12,708 (91.1) | 3775 (91.6) | 8933 (90.8) | 3657 (91.6) | 3644 (91.2) | ||
| General health status, no. (%) | 0.08 | 0.87 | |||||
| Fair to poor | 4101 (29.1) | 1253 (30.1) | 2848 (28.7) | 1187 (29.7) | 1193 (29.9) | ||
| Excellent to good | 9999 (70.9) | 2909 (69.9) | 7090 (71.3) | 2806 (70.3) | 2797 (70.1) | ||
| Health score (SF-12), mean (SD) | |||||||
| Physical component | 43.3 (12.2) | 43.4 (12.2) | 43.2 (12.2) | 0.34 | 43.4 (12.3) | 43.3 (12.0) | 0.69 |
| Mental component | 49.1 (11.0) | 50.5 (11.0) | 48.5 (10.9) | < .001 | 50.4 (11.1) | 50.3 (10.0) | 0.76 |
| Smoking, no. (%) | 0.05 | 0.79 | |||||
| No | 11,648 (83.9) | 3386 (82.9) | 8262 (84.3) | 3314 (83.0) | 3305 (82.7) | ||
| Yes | 2242 (16.1) | 698 (17.1) | 1544 (15.7) | 680 (17.0) | 689 (17.3) | ||
| Obesity, no. (%) | < .001 | 0.93 | |||||
| No | 8341 (59.1) | 2375 (57.1) | 5966 (60.0) | 2273 (56.9) | 2277 (57.0) | ||
| Yes | 5769 (40.9) | 1788 (42.9) | 3981 (40.0) | 1721 (43.1) | 1717 (43.0) | ||
| High blood pressure, no. (%) | < .001 | 0.82 | |||||
| No | 4737 (33.6) | 1232 (29.6) | 3505 (35.2) | 1192 (29.8) | 1171 (29.3) | ||
| Yes | 9370 (66.4) | 2930 (70.4) | 6440 (64.8) | 2802 (70.2) | 2823 (70.7) | ||
| Diabetes, no. (%) | < .001 | 0.82 | |||||
| No | 10,622 (75.3) | 3005 (72.2) | 7617 (76.6) | 2888 (72.3) | 2897 (72.5) | ||
| Yes | 3486 (24.7) | 1158 (27.8) | 2328 (23.4) | 1106 (27.7) | 1097 (27.5) | ||
| Heart disease, no. (%) | 0.10 | 0.78 | |||||
| No | 10,252 (72.7) | 3064 (73.6) | 7188 (72.3) | 2941 (73.6) | 2952 (73.9) | ||
| Yes | 3858 (27.3) | 1099 (26.4) | 2759 (27.7) | 1053 (26.4) | 1042 (26.1) | ||
| Asthma, no. (%) | 0.93 | 0.85 | |||||
| No | 11,318 (80.2) | 3337 (80.2) | 7981 (80.2) | 3203 (80.2) | 3210 (80.4) | ||
| Yes | 2790 (20.0) | 825 (19.8) | 1965 (19.8) | 791 (19.8) | 784 (19.6) | ||
| COPD, no. (%) | 0.68 | 0.90 | |||||
| No | 12,984 (92.0) | 3825 (91.9) | 9159 (92.1) | 3673 (92.0) | 3699 (92.6) | ||
| Yes | 1125 (8.0) | 338 (8.1) | 787 (7.9) | 321 (8.0) | 295 (7.4) | ||
GED, general educational development; SF-12, the 12-Item Short Form Health Survey; SD, standard deviation; COPD, chronic obstructive pulmonary disease