Table 1.
Demographics: PHQ-9 score
| PHQ-9 0 (N=484) | PHQ-9 1–4 (N=1086) | PHQ-9 5–9 (N=518) | PHQ-9 10–14 (N=184) | PHQ-9 15+ (N=93) | |
| Age, median (25th, 75th)* | 53.6 (36.7, 66.1) | 51.7 (37.0, 66.5) | 47.6 (32.7, 60.7) | 42.8 (31.2, 55.1) | 42.4 (32.1, 54.2) |
| Female sex* | 227 (46.9) | 622 (57.3) | 299 (57.7) | 108 (58.7) | 62 (66.7) |
| Race | |||||
| Black | 80 (16.5) | 153 (14.1) | 82 (15.8) | 31 (16.8) | 19 (20.4) |
| White | 294 (60.7) | 731 (67.3) | 323 (62.4) | 110 (59.8) | 57 (61.3) |
| Asian† | 64 (13.2) | 113 (10.4) | 47 (9.1) | 15 (8.2) | 5 (5.4) |
| NHOPI | 7 (1.4) | 11 (1) | 7 (1.4) | 2 (1.1) | 0 (0.0) |
| American Indian or Alaska Native | 4 (0.8) | 8 (0.7) | 11 (2.1) | 3 (1.6) | 1 (1.1) |
| Other† | 35 (7.2) | 70 (6.4) | 48 (9.3) | 23 (12.5) | 11 (11.8) |
| Ethnicity | |||||
| Hispanic | 54 (11.2) | 108 (9.9) | 69 (13.3) | 26 (14.1) | 13 (14.0) |
| Site | |||||
| Los Angeles | 94 (19.4) | 194 (17.9) | 111 (21.4) | 35 (19) | 21 (22.6) |
| Durham | 99 (20.5) | 196 (18.0) | 102 (19.7) | 40 (21.7) | 25 (26.9) |
| Kannapolis | 100 (20.7) | 226 (20.8) | 105 (20.3) | 41 (22.3) | 28 (30.1) |
| Palo Alto† | 191 (39.5) | 470 (43.3) | 200 (38.6) | 68 (37.0) | 19 (20.4) |
| Systolic BP, median (25th, 75th), mm Hg | 123.0 (112.5, 133.1) | 122.0 (112.0, 132.5) | 123.0 (112.5, 133.5) | 119.5 (109.9, 132.0) | 122.5 (115.5, 130.5) |
| Diastolic BP, median (25th, 75th), mm Hg | 75.5 (69.0, 82.0) | 75.0 (68.0, 82.0) | 76.0 (70.0, 83.5) | 74.0 (68.9, 81.1) | 77.5 (71.5, 84.0) |
| Body mass index, median (25th, 75th), kg/m2* | 26.5 (23.7, 29.9) | 26.1 (22.9, 31.0) | 28.0 (24.5, 33.2) | 29.1 (25.1, 34.7) | 30.0 (25.4, 38.8) |
| Waist circumference, median (25th, 75th), cm* | 91.0 (81.0, 100.1) | 88.9 (78.7, 101.6) | 93.0 (81.3, 105.4) | 96.5 (82.0, 111.8) | 96.5 (81.6, 112.5) |
| Heart rate, median (25th, 75th), beats/min* | 65.0 (58.0, 72.0) | 66.0 (59.0, 73.0) | 67.0 (60.0, 77.0) | 70.0 (61.8, 80.0) | 75.0 (65.0, 82.0) |
| Respiratory rate, median (25th, 75th), breaths/min* | 16.0 (14.0, 16.0) | 16.0 (14.0, 16.0) | 16.0 (14.0, 17.0) | 16.0 (14.0, 18.0) | 16.0 (16.0, 18.0) |
| Oxygen saturation, median (25th, 75th), %† | 99.0 (98.0, 100.0) | 99.0 (98.0, 100.0) | 99.0 (98.0, 100.0) | 99.0 (97.0, 100.0) | 98.0 (97.0, 100.0) |
Data shown are no (%), unless otherwise indicated.
P values for trend were calculated with the use of Spearman correlation or Cochrane-Armitage tests, where appropriate.
*P value for trend <0.0001.
†P value for trend <0.01.
BP, blood pressure; NHOPI, Native Hawaiians and other Pacific Islanders; PHQ-9, Patient Health Questionnaire-9.