Factors associated with harmful use of tobacco during pregnancy

Cross-sectional study conducted with 330 pregnant women assisted in specialized center for women primary health care (Central Brazil). The data of personal/family history and tracing of tobacco use were obtained through a sociodemographic questionnaire (Alcohol, Smoke and Substance Involvement Screening Test) and analyzed using logistic regression.

Results

The use of tobacco once in a lifetime was associated with income, family history of alcohol and personal mental disorder. The harmful use of tobacco during pregnancy was associated with a family history of smoking and alcohol consumption.

Conclusion

The prevalence of tobacco use as “once in a lifetime” in the sample was 37.1% (124) and “harmful use” of tobacco during pregnancy was 9.6% (32).

Pregnancy, complications; Pregnancy/drug effects; Pregnant women; Tobacco use/adverse effects; Primary health care

Variables	Total	OL	OR* (95%CI)	p-value	HU	OR* (95%CI)	p-value
Variables	Total	n(%)	OR* (95%CI)	p-value	n(%)	OR* (95%CI)	p-value
Age, years
<24	165	65(39.4)	1.00		17(10.3)	1.00
≥24	169	59(34.9)	0.88 (0.56-1.40)	0.39	15(8.8)	0.82 (0.39-1.93)	0.61
Years of study
≤10	106**	44(41.5)	1.00		12(11.3)	1.00
>10	217**	74(34.1)	0. 72 (0.45-1.17)	0.19	20(9.2)	0.79 (0.37-1.69)	0.55
Family income, R$
>1.581,09	113	30(26.5)	1.00		11(9.7)	1.00
<1.581,09	221	94(42.5)	2.04 (1.27-3.53)	0.00	21(9.5)	1.03 (0.47-2.22)	0.93
Family History of Smoking
No	116**	24(20.7)	1.00		4(3.4)	1.00
Yes	207**	94(45.4)	3.18 (1.82-5.66)	0.00	28(13.5)	4.38 (1.49-12.81)	0.04
Family History of mental illness
No	258**	86(33.3)	1.00		22(8.5)	1.00
Yes	65**	32(49.2)	1.93 (1.10-3.51)	0.01	10(15.3)	1.95 (0.87-4.35)	0.09
Family History of alcohol use
No	179**	46(25.7)	1.00		12(6.7)	1.00
Yes	144**	72(50.0)	2.89 (1.81-4.61)	0.00	20(13.8)	2.24 (1.05-4.76)	0.03
Personal psychiatric history
No	293	100(34.1)	1.00		26(8.8)	1.00
Yes	41	24(58.5)	2.72 (1.45-5.69)	0.00	6(14.6)	1.74 (0.67-4.54)	0.24
Alcohol consumption
No	273**	93(34.1)	1.00		20(7.3)	1.00
Yes	50**	25(50.0)	1.93 (1.05-3.55)	0.03	12(24.0)	3.38 (1.51-7.56)	0.00
Sexually transmitted diseases
No	323	114(35.2)	1.00		29(8.9)	1.00
Yes	11	8(72.7)	4.88 (1.42-21.00)	0.01	3(27.2)	4.34 (1.04-17.80)	0.02
Good family functionality
Yes	261**	87(33.3)	1.00		24(9.1)	1.00
No	72**	35(48.6)	1.89 (1.07-3.30)	0.01	8(11.1)	1.20 (0.51-2.81)	0.66

Variables	AOR* (IC95%)^**	p-value
Smoked once in a lifetime
Family income <R$1.581,00	1.87 (1.08-3.26)	0.02
Family history of smoking	2.88 (0.69-12.00)	0.14
Family history of mental illness	1.30 (0.68-2.50)	0.41
Family history of alcohol use	2.27 (1.35-3.80)	< 0.01
History of mental disorder	2.27 (1.24-5.90)	0.01
Alcohol consumption	1.54 (0.78-3.02)	0.20
Sexually transmitted diseases	2.88 (0.69-12.00)	0.14
Good family functionality	1.22 (0.78-3.02)	0.49
Harmful use
Family history of smoking	3.29 (1.08-10.00)	0.03
History of mental disorder	0.61 (0.26-1.41)	0.25
Family history of alcohol use	1.63 (0.73-3.63)	0.23
Alcohol consumption	2.62 (0.73-3.63)	0.02
Sexually transmitted diseases	2.32 (0.53-10.20)	0.26

Escola Paulista de Enfermagem, Universidade Federal de São Paulo R. Napoleão de Barros, 754, 04024-002 São Paulo - SP/Brasil, Tel./Fax: (55 11) 5576 4430 - São Paulo - SP - Brazil
E-mail: actapaulista@unifesp.br

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[1] Corresponding author. Ivânia Vera. Dr. Lamartine Pinto de Avelar avenue, 1120, 75704-020, Catalão, GO, Brazil. ivaniavera@gmail.com