Clock, space, and structure: family-formation timing and occupational stratification in time-consuming STEM

Using pooled Israel Social Survey data (2003–2022), this article examines whether parents’ family-formation timing is associated with employment in time-consuming science, technology, engineering, and mathematics (TC-STEM) rather than alternative occupations. Guided by a clock/space/structure (CSS) framework, it links family and career calendars, place-based opportunities, and gendered work-devotion regimes. Weighted multinomial logit models compare TC-STEM with professional/technical/managerial (PTM) work, teaching, and other occupations among parents ages 20–45, estimating aRRRs separately by gender and with ethnic comparisons. Results show that TC-STEM employment is stratified by ethnicity, religiosity, and central–peripheral residence. Among Jewish women, later marriage increases the likelihood of TC-STEM relative to teaching and other occupations, while only an interval of at least 5 years is associated with TC-STEM relative to teaching. Among Jewish men, marriage-to-first-birth interval is salient in contrasts with teaching and other occupations. TC-STEM employment varies by pre-parenthood timing and is stratified by gender, ethno-religious context, and spatial locations.