Alcohol and Other Drug Use during Pregnancy among Women Attending Midwife Obstetric Units in the Cape Metropole, South Africa

Table 3

Alcohol, Smoking, and Substance Involvement Screening Test (ASSIST) scores for the sub-sample (𝑛=684).

	%	SE	95% CI
Lifetime use
Tobacco	39.2	1.93	35.4–43.0
Alcohol	59.0	2.10	54.9–63.1
Cannabis	12.7	1.30	10.2–15.3
Methamphetamine	6.9	0.91	5.1–8.7
Frequency of use in past 3 months
Tobacco
Never used	61.1	1.93	57.3–64.9
Not in the past 3 months	10.5	1.35	7.9–13.2
Occasionally	6.7	1.09	4.6–8.9
Weekly/daily	21.6	1.69	18.3–24.9
Tobacco risk^†
Low risk	70.1	1.80	66.5–73.7
Medium risk	27.7	1.80	24.1–31.2
High risk	2.3	0.60	1.1–3.5
Alcohol
Never used	41.3	2.10	37.1–45.4
Not in the past 3 months	21.9	1.75	18.5–25.4
Occasionally	26.9	1.97	23.1–30.8
Weekly/daily	9.9	1.35	7.2–12.5
Alcohol risk^††
Low risk	74.9	1.90	71.2–78.7
Medium risk	21.9	1.80	18.2–25.5
High risk	3.2	0.80	1.6–4.8
Cannabis
Never used	87.3	1.31	84.7–89.8
Not in the past 3 months	9.9	1.25	7.4–12.3
Occasionally	1.7	0.39	0.9–2.4
Weekly/daily	1.2	0.30	0.6–1.8
Cannabis risk^†††
Low risk	96.4	0.60	95.3–97.5
Medium risk	3.2	0.50	2.1–4.2
High risk	0.4	0.20	0.0–0.9
Methamphetamine
Never used	93.1	0.91	91.3–94.9
Not in the past 3 months	4.5	0.85	2.8–6.1
Occasionally	1.1	0.22	0.7–1.6
Weekly/daily	1.3	0.34	0.6–2.0
Methamphetamine risk^†††
Low risk	97.2	0.40	96.4–98.1
Medium risk	2.1	0.40	1.3–2.8
High risk	0.7	0.20	0.3–1.1
Any drug use; (occasionally or weekly/daily)	4.7	0.60	3.5–5.9

†Tobacco risk 0–3 = low risk; 4–26 = medium risk; 27+ = high risk; ^††Alcohol risk 0–10 = low risk; 11–26 = medium risk; 27+ = high risk; ^†††Drug risk 0–3 = low risk; 4–26 = medium risk; 27+ = high risk.