Table 1. Sample sociodemographic characteristics.
| Characteristic | Total | S. aureus negative | S. aureus positive |
|---|---|---|---|
| Participants, n | 443 | 156 | 287 |
| Age y, mean (SD) | 36.4 (15.1) | 38.7 (16.7) | 35.2 (14.0) |
| Female sex, % (N) | 52.6 (233) | 66.0 (103) | 45.3 (130) |
| Hispanic ethnicity, % (N) | |||
| No | 29.8 (132) | 20.5 (32) | 34.8 (100) |
| Yes | 68.4 (303) | 75.6 (118) | 64.5 (185) |
| Missing | 1.8 (8) | 3.8 (6) | 0.7 (2) |
| Race, % (N) | |||
| White | 66.8 (296) | 62.8 (98) | 69.0 (198) |
| Black | 1.1 (5) | 1.3 (2) | 1.0 (3) |
| Native American | 0.5 (2) | 0.6 (1) | 0.3 (1) |
| Asian | 1.6 (7) | 1.9 (3) | 1.4 (4) |
| Pacific Islander | 0.2 (1) | 0.0 (0) | 0.3 (1) |
| Other race | 4.3 (19) | 7.1 (11) | 2.8 (8) |
| Multiple race | 3.8 (17) | 2.6 (4) | 4.5 (13) |
| No preferred race | 9.9 (44) | 9.6 (15) | 10.1 (29) |
| Missing | 11.7 (52) | 14.1 (22) | 10.5 (30) |
| Education level, % (N) | |||
| < High school | 12.0 (53) | 17.9 (28) | 8.7 (25) |
| High school diploma | 14.0 (62) | 16.0 (25) | 12.9 (37) |
| Some college | 50.8 (225) | 40.4 (63) | 56.4 (162) |
| College graduate or higher | 23.0 (102) | 25.0 (39) | 22.0 (63) |
| Missing | 0.2 (1) | 0.6 (1) | 0.0 (0) |
| Marital status, % (N) | |||
| Married/cohabiting | 60.7 (269) | 51.3 (80) | 65.9 (189) |
| Divorced/separated | 5.9 (26) | 7.7 (12) | 4.9 (14) |
| Widowed | 1.4 (6) | 3.2 (5) | 0.3 (1) |
| Never married | 25.3 (112) | 26.3 (41) | 24.7 (71) |
| Missing | 0.9 (4) | 1.3 (2) | 0.7 (2) |
| Employed, % (N) | 78.8 (349) | 71.2 (111) | 82.9 (238) |
| Language use at home, % (N) | |||
| Only Spanish | 17.2 (76) | 27.6 (43) | 11.5 (33) |
| More Spanish than English | 13.3 (59) | 15.4 (24) | 12.2 (35) |
| Equal Spanish and English | 23.3 (103) | 21.8 (34) | 24.0 (69) |
| More English than Spanish | 13.8 (61) | 14.1 (22) | 13.6 (39) |
| Only English | 32.3 (143) | 21.2 (33) | 38.3 (110) |
| Other | 0.2 (1) | 0.0 (0) | 0.3 (1) |
| Language of survey, % (N) | |||
| Spanish | 30.0 (133) | 44.2 (69) | 22.3 (64) |
| English | 70.0 (310) | 55.8 (87) | 77.7 (223) |
| Social integration score, % (N) | |||
| 1–3 | 6.3 (28) | 9.0 (14) | 4.9 (14) |
| 4 | 6.5 (29) | 5.8 (9) | 7.0 (20) |
| 5 | 20.1 (89) | 21.2 (33) | 19.5 (56) |
| 6 | 25.3 (112) | 22.4 (35) | 26.8 (77) |
| 7 | 28.2 (125) | 30.1 (47) | 27.2 (78) |
| 8 | 13.5 (60) | 11.5 (18) | 14.6 (42) |
| Social network diversity score, % (N) | |||
| 0–4 | 18.3 (81) | 19.9 (31) | 17.4 (50) |
| 5 | 17.8 (79) | 17.3 (27) | 18.1 (52) |
| 6 | 16.9 (75) | 18.6 (29) | 16.0 (46) |
| 7 | 17.4 (77) | 19.9 (31) | 16.0 (46) |
| 8 | 14.0 (62) | 12.2 (19) | 15.0 (43) |
| 9–12 | 15.6 (69) | 12.2 (19) | 17.4 (50) |
| Social network size, % (N) | |||
| 0–15 | 15.1 (67) | 17.9 (28) | 13.6 (39) |
| 16–21 | 20.1 (89) | 21.8 (34) | 19.2 (55) |
| 22–25 | 16.9 (75) | 12.8 (20) | 19.2 (55) |
| 26–33 | 24.6 (109) | 27.6 (43) | 23.0 (66) |
| 34–65 | 23.3 (103) | 19.9 (31) | 25.1 (72) |
| Loneliness, % (N) | |||
| Never | 57.1 (253) | 60.3 (94) | 55.4 (159) |
| Sometimes | 36.3 (161) | 31.4 (49) | 39.0 (112) |
| Often/always | 6.5 (29) | 8.3 (13) | 5.6 (16) |
| Self-rated health, % (N) | |||
| Poor/fair | 11.1 (49) | 16.0 (25) | 8.4 (24) |
| Good | 36.6 (162) | 35.3 (55) | 37.3 (107) |
| Very good | 36.6 (162) | 32.1 (50) | 39.0 (112) |
| Excellent | 15.6 (69) | 16.0 (25) | 15.3 (44) |
| Missing | 0.2 (1) | 0.6 (1) | 0.0 (0) |
Social integration score was derived from 8 items from the US National Health Interview Survey. Social network diversity and network size were measured using the Social Network Index [1].