Table 1.
Characteristics of the total study population
| Total, n (%) (n = 56,084) | HS group, n (%) (n = 1,156) | Non-HS group, n (%) (n = 54,928) | |
|---|---|---|---|
| Functional HL | |||
| Sex | |||
| Female, n (%) | 33,753 (60.2) | 850 (73.5) | 32,903 (59.9) |
| Male, n (%) | 22,331 (39.8) | 306 (26.5) | 22,025 (40.1) |
| Age, median [IQR], years | 56.0 [48.0–64.0] | 52.0 [44.0–59.0] | 56.0 [48.0–64.0] |
| BMI, median [IQR] | 25.3 [23.1–28.1] | 26.2 [23.6–29.8] | 25.3 [25.3–28.0] |
| Missing, n | 15 | 0 | 15 |
| Education | |||
| Low, n (%) | 14,487 (26.3) | 278 (24.5) | 14,209 (26.3) |
| Intermediate, n (%) | 21,527 (39.1) | 486 (42.8) | 21,041 (39.0) |
| High, n (%) | 19,089 (34.6) | 371 (32.7) | 18,718 (34.7) |
| Missing, n | 981 | 21 | 960 |
| Socioeconomic status, median [IQR] | −0.57 [−1.19±0.17] | −0.61 [−1.29±0.12] | −0.57 [−1.18±0.17] |
| Missing, n | 7,188 | 139 | 7,049 |
| Help with reading information | |||
| Never, n (%) | 37,036 (82.0) | 675 (76.6) | 36,361 (82.1) |
| Occasionally, n (%) | 6,066 (13.4) | 145 (16.5) | 5,921 (13.4) |
| Sometimes, n (%) | 1,484 (3.3) | 35 (4.0) | 1,449 (3.3) |
| Often, n (%) | 534 (1.2) | 24 (2.7) | 510 (1.2) |
| Always, n (%) | 73 (0.2) | <10 (<x%) | 71 (0.2) |
| Missing, n | 10,891 | NR | 10,616 |
| How sure fill out medical forms | |||
| Not at all, n (%) | 829 (1.8) | 14 (1.6) | 815 (1.8) |
| A little bit, n (%) | 1,281 (2.8) | 23 (2.6) | 1,258 (2.8) |
| Somewhat, n (%) | 4,559 (10.1) | 102 (11.6) | 4,457 (10.1) |
| Fairly, n (%) | 25,769 (57.0) | 518 (58.8) | 25,251 (57.0) |
| Very much, n (%) | 12,741 (28.2) | 224 (25.4) | 12,517 (28.3) |
| Missing, n | 10,905 | 275 | 10,630 |
| Trouble understanding medical situation | |||
| Never, n (%) | 30,665 (67.9) | 574 (65.2) | 30,091 (67.9) |
| Occasionally, n (%) | 9,409 (20.8) | 206 (23.4) | 9,203 (20.8) |
| Sometimes, n (%) | 4,665 (10.3) | 93 (10.6) | 4,572 (10.3) |
| Often, n (%) | 343 (0.8) | <10 (<x% | 337 (0.8) |
| Always, n (%) | 94 (0.2) | <10 (<x%) | 92 (0.2) |
| Missing, n | 10,908 | 275 | 10,633 |
| Functional health literacy | |||
| High, n (%) | 34,077 (75.5) | 648 (73.6) | 33,429 (75.5) |
| Low, n (%) | 11,087 (24.5) | 233 (26.4) | 10,854 (24.5) |
| Missing, n | 10,920 | 275 | 10,645 |
| Communicative HL | |||
| Talk other people problems complaints | |||
| Never, n (%) | 9,888 (21.9) | 136 (15.4) | 9,752 (22.0) |
| Occasionally, n (%) | 14,922 (33.0) | 297 (33.7) | 14,625 (33.0) |
| Sometimes, n (%) | 12,294 (27.2) | 263 (29.9) | 12,031 (27.2) |
| Often, n (%) | 6,237 (13.8) | 134 (15.2) | 6,103 (13.8) |
| Always, n (%) | 1,829 (4.0) | 51 (5.8) | 1,778 (4.0) |
| Missing, n | 10,914 | 275 | 10,639 |
| Collect information problems/complaints | |||
| Never, n (%) | 10,438 (23.1) | 150 (17.0) | 10,288 (23.2) |
| Occasionally, n (%) | 9,774 (21.6) | 190 (21.6) | 9,584 (21.6) |
| Sometimes, n (%) | 8,767 (19.4) | 173 (19.6) | 8,594 (19.4) |
| Often, n (%) | 10,676 (23.6) | 239 (27.1) | 10,437 (23.6) |
| Always, n (%) | 5,505 (12.2) | 129 (14.6) | 5,376 (12.1) |
| Missing, n | 10,924 | 275 | 10,649 |
| Critical HL | |||
| Collect information to be able decisions | |||
| Never, n (%) | 7,184 (15.9) | 103 (11.7) | 7,081 (16.0) |
| Occasionally, n (%) | 10,247 (22.7) | 176 (20.0) | 10,071 (22.7) |
| Sometimes, n (%) | 9,687 (21.4) | 185 (21.0) | 9,502 (21.5) |
| Often, n (%) | 11,175 (24.7) | 264 (30.0) | 10,911 (24.6) |
| Always, n (%) | 6,880 (15.2) | 153 (17.4) | 6,727 (15.2) |
| Missing, n | 10,911 | 275 | 10,636 |
HS, hidradenitis suppurativa; HL, health literacy; BMI, body mass index; IQR, interquartile range; NR, not reported.