Table 4.
The Prevalence of Current Smoking by Past-Year or Past-Month SPD Among Pregnant Women by Year, NSDUH 2008–2014
| Linear trend | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | Crude OR (95% CI) | p | Adjusted OR2a (95% CI) | p | |
| Total | ||||||||||||
| Current smoker, % | 14.0 | 15.6 | 12.2 | 19.0 | 14.9 | 11.9 | 13.7 | 10.7 | 0.95 (0.90, 1.00) | 0.03 | 0.97 (0.91, 1.03) | 0.27 |
| SE | 0.7 | 2.0 | 1.5 | 2.0 | 1.9 | 1.3 | 2.0 | 1.4 | ||||
| By 3-group SPD category | ||||||||||||
| With past-month SPD | ||||||||||||
| Current smoker, % | 40.0 | 33.4 | 48.3 | 54.4 | 32.0 | 35.2 | 41.4 | 41.3 | 1.00 (0.85, 1.17) | 0.98 | 1.07 (0.85, 1.35) | 0.57 |
| SE. | 3.9 | 9.1 | 10.5 | 10.9 | 9.9 | 8.9 | 11.5 | 9.4 | ||||
| With past-year, not past-month SPD | ||||||||||||
| Current smoker, % | 23.9 | 21.1 | 32.9 | 37.2 | 19.7 | 10.4 | 18.4 | 30.2 | 0.96 (0.82, 1.12) | 0.59 | 0.93 (0.75, 1.15) | 0.49 |
| SE. | 2.7 | 6.7 | 7.3 | 10.7 | 8.0 | 4.1 | 5.8 | 8.2 | ||||
| Without past-year SPD | ||||||||||||
| Current smoker, % | 11.7 | 14.2 | 8.8 | 16.4 | 13.2 | 10.7 | 11.2 | 7.2 | 0.93 (0.88, 0.98) | 0.01 | 0.95 (0.89, 1.01) | 0.10 |
| SE. | 0.7 | 2.1 | 1.3 | 2.1 | 1.9 | 1.6 | 2.1 | 1.2 | ||||
| F test for time trends vary by SPD category | F(2 df) = 0.42; | F(2 df) = 0.50; | ||||||||||
| p-value for variation in time trends by SPD category | p = .66 | p = .61 | ||||||||||
CI = confidence interval; NSDUH = National Survey on Drug Use and Health; OR = odds ratio; SE = standard error; SPD = Serious Psychological Distress. Acute SPD reflected in past month; Recent SPD reflected in past year/not past month.
aAdjusted for age (18–25, 26–34, ≥35); education (<HS, HS grad, some college, ≥college grad); income (≤$20 000, 20–49 999, $50–74 999, ≥$75 000); marital status (married, widowed/divorced/separated, never married) and race (white, black, Hispanic, other).