Table 4 Fertility in Women Smokers: Results of Poisson regression examining the independent contributions of asthma/hay fever categories and other predictors to number of pregnancies per woman-year in smokers (≥100 lifetime cigarettes) aged 15–44 years in the NSFG (N = 4,037).

    Asthma Only

0.1934

0.0563

3.44

0.001

0.0824, 0.3044

    Hay Fever Only

0.0228

0.0504

0.45

0.652

−0.0767, 0.1222

    Asthma & Hay Fever

−0.0303

0.0521

−0.58

0.562

−0.1331, 0.0726

    Neither

(ref)

Age

−0.0292

0.0024

−12.41

<0.001

−0.0339, −0.0246

    Hispanic

0.2086

0.0410

5.08

<0.001

0.1277, 0.2896

    Non-Hispanic Black

0.3258

0.0409

7.97

<0.001

0.2451, 0.4065

    Non-Hispanic Others

0.1516

0.0889

1.71

0.090

−0.0238, 0.3270

    Non-Hispanic White

(ref)

    Married

0.6790

0.0504

13.47

<0.001

0.5796, 0.7785

    Previously Married

0.5734

0.0592

9.68

<0.001

0.4565, 0.6903

    Never Married

(ref)

    North East

−0.0240

0.0402

−0.60

0.550

−0.1034, 0.0553

    Midwest

−0.0671

0.0453

−1.48

0.141

−0.1565, 0.0224

    South

−0.1715

0.0367

−4.68

<0.001

−0.2438, −0.0991

    West

(ref)

High School Grad or GED

−0.3506

0.0373

−9.40

<0.001

−0.4242, −0.2770

% Poverty Index

−0.0010

0.0000

−12.50

<0.001

−0.0011, −0.0008

PID

0.0344

0.0439

0.79

0.443

−0.0521, 0.1210

Diabetes

−0.1621

0.0836

−1.94

0.054

−0.3271, 0.0029

Hypertension

−0.0341

0.0565

−0.60

0.547

−0.1455, 0.0773

    Underweight

0.0737

0.0657

1.12

0.263

−0.0559, 0.2033

    Overweight

0.1071

0.0279

3.84

<0.001

0.0521, 0.1623

    Obese

0.0197

0.0378

0.46

0.645

−0.0572, 0.0921

    Normal Weight

(ref)

Number Male Partners

0.0175

0.0021

9.10

<0.001

0.0155, 0.0240

Constant

−1.2141

0.0884

−13.73

<0.001

−1.389, −1.040