Table 4.

Models of the Relationship between Attitudes and the Hazard of Non-Marital Unintended Pregnancy

	Zero Parity		Parity one
	1	2	3	4
Perceived Norms
		X		X
Mechanisms: Respondent Attitudes
Sex	1.02 (.18)	1.04 (.17)	0.71 (.24)	0.69 (.19)
Birth Control	0.77 (.13)	0.80 (.13)	0.89 (.26)	0.91 (.22)
Baby	0.98 (.17)	0.94 (.17)	1.40 (.47)	1.38 (.39)
Constant	0.02 (.13)	0.08 (.42)	0.00 (.00)	0.00 (.00)
Chi square	82.21	102.04	24.14	49.11
p	0.00	0.00	0.45	0.05
Log likelihood	−685.44	−675.13	−250.42	−237.59
Person weeks	43853	43853	4883	4883

Notes: All columns represent a logistic regression model. Results are presented as odds ratios. Standard errors in parentheses. Each model controls for relationship, socio-demographic characteristics, prior related experiences, months in study, months in study squared, and number of completed surveys. These controls are not presented for parsimony.

Columns 1 and 3 present results from models including just respondents’ attitudes and the controls. Columns 2 and 4 present results from similar models, but including all ten perceived norms (adults’ and friends’ injunctive and descriptive) as well.

^*p < .05;

^**p < .01;

^***p < .001; one-tailed tests