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. 2023 Jun 14;21:211. doi: 10.1186/s12916-023-02890-y

Table 1.

Weighted participant characteristics (N=27,437)

Total No history of a MHC One MHC Two or more MHCs No/low distress Moderate distress Serious distress
% (95% CI) N % (95% CI) N % (95% CI) N % (95% CI) N % (95% CI) N % (95% CI) N % (95% CI) N
Total 69.6 (69.1–70.1) 19,465 13.6 (13.2–14.0) 3816 16.8 (16.4–17.2) 4681 71.6 (71.1–72.1) 20,023 22.7 (22.2–23.2) 6358 5.7 (5.4–6.0) 1580
Gender
 Female 50.8 (50.2–51.4) 14,258 46.5 (45.8–47.2) 9058 58.6 (57.0–60.2) 2237 62.5 (61.1–63.9) 2927 48.2 (47.6–48.9) 9659 56.8 (55.6–58.0) 3612 60.1 (57.6–62.5) 950
 Male 48.6 (48.0–49.2) 13,653 53.2 (52.5–53.9) 10,353 40.5 (38.9–42.0) 1544 36.2 (34.8–37.5) 1692 51.5 (50.8–52.3) 10,311 42.3 (41.0–43.5) 2685 37.5 (35.1–40.0) 593
In another way 0.6 (0.5–0.7) 155 0.3 (0.2–0.4) 54 0.9 (0.6–1.3) 35 1.3 (1.0–1.7) 62 0.3 (0.02–0.04) 53 0.9 (0.7–1.2) 60 2.4 (1.7–3.3) 38
Socioeconomic status
 ABC1 54.4 (53.8–55.0) 15,264 56.5 (55.8–57.2) 11,004 54.9 (53.3–56.5) 2095 45.6 (44.1–47.0) 2133 57.2 (56.5–58.9) 11,453 51.3 (50.1–52.5) 3260 32.8 (30.5–35.2) 519
 C2DE 45.6 (45.0–46.2) 12,803 43.5 (42.8–44.2) 8461 45.1 (43.5–46.7) 1721 54.4 (53.0–55.9) 2547 42.8 (42.1–43.5) 8570 48.7 (47.5–50.0) 3098 67.2 (64.8–69.5) 1062
Age

M=49.1

SD=18.5

M=50.7

SD=18.5

M=48.8

SD=17.3

M=43.0

SD=16.7

M=52.0

SD=18.0

M=42.6

SD=18.1

M=39.6

SD=16.9

Smoking status
 Current smoker 15.0 (14.6–15.4) 4202 12.0 (11.5–12.5) 2339 16.6 (15.4–17.8) 632 26.3 (25–27.6) 1231 12.0 (11.5–12.5) 2401 19.8 (18.8–20.8) 1257 34.5 (32.2–36.8) 4203
 Quit smoking in the past year 2.3 (2.1–2.5) 651 1.8 (1.6–2.0) 346 2.9 (2.4–3.4) 111 4.1 (3.5–4.7) 194 1.0 (0.9–1.1) 376 3.2 (2.8–3.6) 205 4.4 (3.4–5.4) 69
 Quit smoking more than a year ago 23.9 (23.4–24.4) 6692 23.2 (22.6–23.8) 4508 27.0 (25.6–28.4) 1029 24.7 (23.5–25.9) 1155 25.1 (24.5–25.7) 5029 21.5 (20.5–22.5) 1366 18.8 (16.9–20.7) 297
 Never smoked 58.7 (58.1–59.3) 16,415 63.0 (62.3–63.7) 12,271 53.6 (52.0–55.2) 2044 44.9 (43.5–46.3) 2100 61.0 (60.3–61.7) 12,217 55.5 (54.3–56.7) 3530 34.5 (32.2–36.8) 545
Vaping status
 Current vaper 6.9 (6.6–7.2) 1936 5.1 (4.8–5.4) 989 7.9 (7.0–8.8) 300 13.8 (12.8–14.8) 647 5.5 (5.2–5.8) 1103 9.0 (8.3–9.7) 573 16.4 (14.6–18.2) 260
 Non-vaper 93.1 (92.8–93.4) 26,025 94.9 (94.6–95.2) 18,476 92.1 (91.2–93) 3516 86.2 (85.2–87.2) 4033 94.5 (94.2–94.8) 18,920 91.0 (90.3–91.7) 5784 83.6 (81.8–85.4) 1321
Dual use status
 Daily dual 1.3 (1.2–1.4) 365 0.8 (0.7–0.9) 158 1.5 (1.1–1.9) 56 3.2 (2.7–3.7) 151 0.9 (0.8–1) 181 1.7 (1.4–2.0) 110 4.7 (3.7–5.7) 74
 Non-daily dual 0.4 (0.3–0.5) 112 0.3 (0.2–0.4) 10 0.3 (0.1–0.5) 10 0.7 (0.5–0.9) 34 0.3 (0.2–0.4) 60 0.5 (0.3–0.7) 33 1.1 (0.6–1.6) 18
 Predominate smoker 1.0 (0.9–1.1) 287 0.7 (0.6–0.8) 142 1.0 (0.7–1.3) 38 2.3 (1.9–2.7) 107 0.7 (0.6–0.8) 147 1.6 (1.3–1.9) 99 2.6 (1.8–3.4) 41
 Predominate vaper 0.6 (0.5–0.7) 154 0.4 (0.3–0.5) 82 0.7 (0.4–1.0) 27 1.0 (0.7–1.3) 45 0.5 (0.4–0.6) 92 0.7 (0.5–0.9) 45 1.1 (0.6–1.6) 18
Exclusive smoker 11.7 (11.3–12.1) 3285 9.7 (9.3–10.1) 1890 13.1 (12–14.2) 501 19.1 (18.0–20.2) 894 9.6 (9.2–10) 1922 15.2 (14.3–16.1) 969 24.9 (22.8–27.0) 394
 Exclusive vaper 3.6 (3.4–3.8) 1019 2.8 (2.6–3.0) 539 4.5 (3.8–5.2) 170 6.6 (5.9–7.3) 310 3.1 (2.9–3.3) 625 4.5 (4.0–5.0) 282 6.8 (5.6–8.0) 108
 Never/Ex smoker/Vaper 81.3 (80.8–81.8) 22,740 85.2 (84.7–85.7) 16,586 79.0 (77.7–80.3) 3015 67.1 (65.8–68.4) 3139 84.9 (84.4–85.4) 16,998 75.7 (74.6–76.8) 4815 58.7 (56.3–61.1) 927

C2DE includes manual routine, semi-routine, lower supervisory, and long-term unemployed; ABC1 includes managerial, professional and upper supervisory occupations