Table 1 Snus use and cigarette smoking among pregnant women 2015–2017.a Age 16–44 years. Percent, 95% Cl. N = 9855
From: Trends in maternal use of snus and smoking tobacco in pregnancy. A register study in southern Norway
Before pregnancy | First trimester | Third trimester | |||||||
|---|---|---|---|---|---|---|---|---|---|
N | % | CI | N | % | CI | N | % | CI | |
Snus use, all | |||||||||
Snus use, occasional (n = 9855) | 159 | 1.6 | 1.4–1.9 | 108 | 1.1 | 0.9–1.3 | 72 | 0.7 | 0.6–0.9 |
Snus use, daily (n = 9855) | 665 | 6.7 | 6.3–7.3 | 169 | 1.7 | 1.5–2.0 | 120 | 1.2 | 1.0–1.5 |
Snus use, daily and occasional (n = 9855) | 824 | 8.4 | 7.8–8.9 | 277 | 2.8 | 2.5–3.2 | 192 | 2.0 | 1.7–2.2 |
Snus use in age groups | |||||||||
16–24 years (n = 1285) | 264 | 20.5 | 18.4–22.9 | 103 | 8.0 | 6.6–9.6 | 75 | 5.8 | 4.6–7.3 |
25–34 years (n = 6660) | 500 | 7.5 | 6.9–8.2 | 153 | 2.3 | 2.0–2.7 | 104 | 1.6 | 1.3–1.9 |
35–44 years (n = 1910) | 60 | 3.1 | 2.4–4.0 | 21 | 1.1 | 0.7–1.7 | 13 | 0.7 | 0.4–1.2 |
Snus use in groups of parity | |||||||||
No previous child (n = 3922) | 512 | 13.1 | 12.0–14.1 | 144 | 3.7 | 3.1–4.3 | 96 | 2.4 | 2.0–3.0 |
One previous child (n = 3570) | 226 | 6.3 | 5.6–7.2 | 93 | 2.6 | 2.1–3.2 | 65 | 1.8 | 1.4–2.3 |
Two or more previous children (n = 2363) | 86 | 3.6 | 2.9–4.5 | 40 | 1.7 | 1.2–2.3 | 31 | 1.3 | 0.9–1.9 |
Snus use in educational groups b | |||||||||
Primary/lower secondary (n = 734) | 60 | 8.2 | 6.3–10.4 | 36 | 4.9 | 3.5–6.7 | 25 | 3.4 | 2.2–5.0 |
Upper secondary (n = 3541) | 412 | 11.6 | 10.6–12.7 | 161 | 4.5 | 3.9–5.3 | 125 | 3.5 | 2.9–4.2 |
Higher education (n = 4987) | 314 | 6.3 | 5.6–7.0 | 63 | 1.3 | 1.0–1.6 | 32 | 0.6 | 0.4–0.9 |
Smoking, all | |||||||||
Smoking, occasional (n = 9855) | 285 | 2.9 | 2.6–3.2 | 101 | 1.0 | 0.8–1.2 | 90 | 0.9 | 0.7–1.1 |
Smoking, daily (n = 9855) | 974 | 9.9 | 9.3–10.5 | 496 | 5.0 | 4.6–5.5 | 407 | 4.1 | 3.7–4.5 |
Smoking, daily or occasional (n = 9855) | 1259 | 12.8 | 12.1–13.5 | 597 | 6.1 | 5.6–6.5 | 497 | 5.0 | 4.6–5.5 |
Smoking in age groups | |||||||||
16–24 years (n = 1285) | 272 | 21.2 | 19.0–23.5 | 136 | 10.6 | 9.0–12.4 | 109 | 8.5 | 7.0–10.1 |
25–34 years (n = 6660) | 780 | 11.7 | 10.9–12.5 | 351 | 5.3 | 4.7–5.8 | 294 | 4.4 | 3.9–4.9 |
35–44 years (n = 1910) | 207 | 10.8 | 9.5–12.3 | 110 | 5.8 | 4.8–6.9 | 94 | 4.9 | 4.0–6.0 |
Smoking in groups of parity | |||||||||
No previous child (n = 3922) | 570 | 14.5 | 13.4–15.7 | 227 | 5.8 | 5.1–6.6 | 184 | 4,7 | 4.1–5.4 |
One previous child (n = 3570) | 409 | 11.5 | 10.4–12.5 | 203 | 5.7 | 4.9–6.5 | 170 | 4,8 | 4.1–5.5 |
Two or more previous children (n = 2363) | 280 | 11.9 | 10.6–13.2 | 167 | 7.1 | 6.1–8.2 | 143 | 6,1 | 5.1–7.1 |
Smoking in educational groups b | |||||||||
Primary/lower secondary (n = 734) | 187 | 25.5 | 22.4–28.8 | 124 | 16.9 | 14.3–19.8 | 108 | 14.7 | 12.2–17.5 |
Upper secondary (n = 3541) | 713 | 20.1 | 18.0–21.5 | 348 | 9.8 | 8.9–10.9 | 296 | 8.4 | 7.5–9.3 |
Higher education (n = 4987) | 275 | 5.5 | 4.9–6.2 | 75 | 1.5 | 1.2–1.9 | 59 | 1.2 | 0.9–1.5 |
Dual use, all | 142 | 1.4 | 1.2–1.7 | 33 | 0.3 | 0.2–0.5 | 13 | 0.1 | 0.1–2.3 |
Dual use in age groups | |||||||||
16–24 years (n = 1285) | 61 | 4.8 | 3.7–6.1 | 14 | 1.1 | 0.6–1.8 | 2 | 0.2 | 0.0–0.6 |
25–34 years (n = 6660) | 72 | 1.1 | 0.8–1.4 | 18 | 1.1 | 0.2–0.4 | 9 | 0.1 | 0.1–0.3 |
35–44 years (n = 1910) | 9 | 0.5 | 0.2–0.9 | 1 | 1.1 | 0.0–0.3 | 2 | 0,1 | 0.0–0.4 |