Table 1 Operational definitions of variables and their measurements
From: Correlates of unintended pregnancy among currently pregnant married women in Nepal
| Variables | Description | Measurement scale |
|---|---|---|
| Unintended pregnancy | Type (intendedness) of current pregnancy | Dichotomous |
| 0 = Intended | ||
| 1 = Unintended | ||
| Age of women | Respondent's current age at time of survey | Ordinal for bivariate analysis |
| 0 = 15–24 years | ||
| 1 = 25–34 years | ||
| 2 = 35–49 years | ||
| Interval scale for multivariate | ||
| Ideal number of children | Women's concept or preferences about the number of children | Ordinal for bivariate analysis |
| 1 = One | ||
| 2 = Two | ||
| 3 = Three and more | ||
| Interval scale for multivariate | ||
| Parity | Number of children given by the respondents | Ordinal for bivariate analysis |
| 0 = None | ||
| 1 = One | ||
| 2 = Two | ||
| 3 = Three and more | ||
| Interval scale for multivariate | ||
| Age at first marriage | Respondents' completed age at the time of marriage | Ordinal for bivariate analysis |
| 0 = Less than 16 years | ||
| 1 = 16 years and more | ||
| Interval scale for multivariate | ||
| Women's education | Literacy status of women | Ordinal |
| 0 = No education/illiterate | ||
| 1 = Literate | ||
| Women's occupation | Types of women's work | Nominal |
| 0 = Not working/agriculture | ||
| 1 = Non-agriculture | ||
| Place of residence | Types of place of residence of the respondent | Dichotomous |
| 0 = Urban | ||
| 1 = Rural | ||
| Radio exposure | Listen to radio every day | Dichotomous |
| 0 = No | ||
| 1 = Yes | ||
| TV exposure | Watch television at least once a week | Dichotomous |
| 0 = No | ||
| 1 = Yes | ||
| Travel time to the nearest family planning sources | Travel time needed to reach the nearest family planning sources from her residence | Ordinal |
| 0 = Less than 30 minutes | ||
| 1 = 30–60 minutes | ||
| 2 = More than 1 hour | ||
| 3 = No response/don't know | ||
| Family planning field worker's visit | Women who are visited by family planning program's worker in the last 12 months | Dichotomous |
| 0 = Not visited | ||
| 1 = Visited | ||
| Religion | Women's religion | Dichotomous |
| 0 = Non-Hindu | ||
| 1 = Hindu | ||
| Woman's autonomy | Autonomy on own health care and how to spend own earned money | Nominal |
| 0 = No autonomy | ||
| 1 = Some autonomy | ||
| Knowledge about family planning methods | Knowledge score of different family Planning method | Ordinal |
| 0 = Lower knowledge | ||
| 1 = Higher knowledge | ||
| Ever use of family planning method | Respondents who had ever use of any contraceptive or not in the past | Dichotomous |
| 0 = Never used | ||
| 1 = Ever used |