Table 2.

Descriptive Statistics for Measures of Perceived Norms and Respondent Attitudes

	Full Sample		Zero Parity (no prior births)		Parity One (one prior birth)
	(n=847)		(n=718)		(n=193)
	(48,736 person-weeks)		(43,853 person-weeks)		(4,883 person-weeks)
Number of unintended pregnancies	167		115		52
Percent of respondents reporting unintended pregnancy	17.60%		15.00%		24.40%
	Mean	SD	Mean	SD	Mean	SD
Injunctive Norms (approval)
Parents
How would your parents react if you…
…had sex*	1.75	1.32	1.71	1.29	2.18	1.51
…were using birth control*	3.49	1.60	3.42	1.60	4.11	1.40
…had a baby*	1.91	1.65	1.77	1.57	3.16	1.77
Friends
How would your friends react if you…
…had sex*	2.85	1.30	2.86	1.28	2.79	1.48
…were using birth control	3.89	1.29	3.89	1.26	3.91	1.56
…had a baby*	2.48	1.57	2.34	1.52	3.67	1.52
Descriptive Norms (prevalence)
Adults
How many women in your community are…
…single parents?*	2.87	1.14	2.82	1.13	3.38	1.20
Friends
How many of your friends…
…have had sex*	3.84	1.43	3.77	1.44	4.44	1.12
…are using birth control*	2.80	1.40	2.79	1.39	2.90	1.49
…are parent*	1.52	1.26	1.39	1.17	2.65	1.45
Mechanisms: Respondent Attitudes
Sex (scale)*	1.76	0.92	1.74	0.94	1.96	0.76
Birth control (scale)*	4.01	0.80	4.04	0.79	3.76	0.87
Baby (scale)*	2.51	0.73	2.47	0.73	2.84	0.68

Notes: An * indicates statistically significant difference between zero parity and parity one respondents (p<.05, two-tailed, two-sample t tests).

Injunctive norms are on a scale from 0–5, with 0=“not al all positive” and 5=“extremely positive”

Descriptive norms are on a scale from 0–5, with 0=“none” and 5=“almost all”

Respondent attitudes are on a scale from 0–5, with 0=“strongly disagree” and 5=“strongly agree”