Table 4. Smoking status of the participants of two Surveys in 2001 and 2010.
| Total | Male | Female | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean(SD) | 2001 (n = 2,277) | 2010 (n = 2,102) | P | 2001 (n = 943) | 2010 (n = 848) | P | 2001 (n = 1,334) | 2010 (n = 1,254) | P |
| CPD | 13.3 (9.2) | 13.0 (10.2) | 0.645 | 14.8 (9.2) | 13.9 (10.2) | 0.131 | 8.6 (7.4) | 9.7 (9.8) | 0.275 |
| SI | 22.1 (9.6) | 25.0 (9.4) | <0.001 | 22.1 (8.7) | 24.3 (8.2) | <0.001 | 21.8 (12.0) | 27.5 (12.7) | <0.001 |
| Lasting time | 34.3 (15.2) | 36.8 (14.6) | 0.003 | 34.7 (14.1) | 37.2 (13.9) | 0.005 | 33.1 (18.0) | 35.4 (17.0) | 0.277 |
| CPD (P) | 11.7 (8.3) | 10.5 (10.0) | 0.016 | 10.1 (7.9) | 9.6 (8.1) | 0.551 | 12.4 (8.4) | 10.9 (10.6) | 0.020 |
| Lasting time (P) | 25.8 (15.3) | 27.2 (15.5) | 0.092 | 17.8 (14.7) | 20.7 (14.0) | 0.052 | 28.7 (14.4) | 29.8 (15.3) | 0.243 |
| % (95% CI) | |||||||||
| Active smoking status | |||||||||
| current | 15.4 (13.9–16.9) | 11.0 (9.7–12.3) | <0.001 | 24.7 (22.0–27.5) | 21.2 (18.5–24.0) | 0.081 | 8.8 (7.3–10.3) | 4.1 (3.0–5.2) | <0.001 |
| former | 16.4 (14.9–18.0) | 16.2 (14.6–17.8) | 0.823 | 33.2 (30.2–36.2) | 32.4 (29.3–35.6) | 0.731 | 4.6 (3.5–5.7) | 5.2 (4.0–6.4) | 0.471 |
| Never | 68.2 (66.3–70.1) | 72.8 (70.9–74.7) | 0.001 | 42.1 (38.9–45.3) | 46.3 (43.0–49.7) | 0.071 | 86.6 (84.8–88.5) | 90.8 (89.1–92.4) | 0.001 |
| Passive smoking | 30.5 (28.6–32.4) | 30.0 (28.1–32.0) | 0.717 | 19.6 (17.1–22.2) | 21.2 (18.5–24.0) | 0.399 | 38.2 (35.6–40.8) | 36.0 (33.3–38.6) | 0.233 |
| Places | |||||||||
| Family | 26.6 (24.8–28.4) | 26.9 (25.0–28.8) | 0.817 | 13.2 (11.0–15.3) | 16.8 (14.2–19.3) | 0.033 | 36.1 (33.5–38.6) | 33.7 (31.1–36.4) | 0.215 |
| Work | 2.6 (1.9–3.2) | 2.1 (1.5–2.7) | 0.320 | 5.2 (3.8–6.6) | 3.2 (2.0–4.4) | 0.035 | 0.7 (0.2–1.1) | 1.4 (0.7–2.0) | 0.083 |
| Public | 1.4 (0.9–1.9) | 1.1 (0.6–1.5) | 0.283 | 1.3 (0.6–2.0) | 1.3 (0.5–2.1) | 0.963 | 1.5 (0.9–2.2) | 0.9 (0.4–1.4) | 0.146 |
| Source | |||||||||
| Couple | 20.3 (18.6–21.9) | 11.5 (10.1–12.8) | <0.001 | 5.7 (4.2–7.2) | 2.4 (1.3–3.4) | <0.001 | 30.6 (28.1–33.1) | 17.6 (15.5–19.7) | <0.001 |
| Off-springs | 6.2 (5.2–7.1) | 15.0 (13.5–16.6) | <0.001 | 7.3 (5.7–9.0) | 14.5 (12.1–16.9) | <0.001 | 5.3 (4.1–6.5) | 15.4 (13.4–17.4) | <0.001 |
| colleagues | 2.6 (1.9–3.2) | 2.6 (1.9–3.3) | 0.964 | 5.3 (3.9–6.7) | 3.7 (2.4–4.9) | 0.094 | 0.6 (0.2–1.0) | 1.8 (1.1–2.6) | 0.004 |
| others | 1.5 (1.0–2.0) | 1.0 (0.5–1.4) | 0.082 | 1.3 (0.6–2.0) | 0.7 (0.1–1.3) | 0.231 | 1.7 (1.0–2.4) | 1.1 (0.5–1.7) | 0.193 |
P is for 2001 vs. 2010
Data are mean (SD) for continuous values or % (95% CI) for category value
CPD = cigarettes per day
SI = age of smoking initiation
CPD (P) = cigarettes per day of passive smoking.