Table 4.
Negative binomial regression, DV = duration of marriage in years (n = 107).
| Parameter | b | SE b | Wald | df | p | Exp(b) |
|---|---|---|---|---|---|---|
| Intercept | 2.83 | 0.53 | 28.85 | 1 | 0.000 | 17.01 |
| Wife’s surname choice – changed name | 0.47 | 0.23 | 4.31 | 1 | 0.038 | 1.60 |
| Wife’s surname choice – retained/hyphenated name | 0a | 1 | ||||
| Wife’s age at time of marriage | −0.03 | 0.02 | 3.62 | 1 | 0.057 | 0.97 |
a
Set to 0 because it is a redundant parameter. In 30% of marriages (effect coded 1), the wife had either retained her pre-marital surname or hyphenated it with that of her husband.