Model selection steps | Terms/terms removed | Wald’s testa | ||
---|---|---|---|---|
χ 2 | df | P | ||
1 (Full model) | Cohort+Specialty+JobGrade+Spouse+Intercalated Degree+Graduate+Specialty*JobGrade+Specialty*Graduate+Specialty*Spouse+Graduate*Spouse | |||
2 | - Graduate*Spouse | 0.02 | 1 | 0.88 |
3 | - Specialty*Graduate | 3.00 | 3 | 0.39 |
4 | - Specialty*Spouse | 3.40 | 3 | 0.34 |
5 | - Intercalated Degree | 0.07 | 1 | 0.79 |
6 | - Specialty*JobGrade | 11.5 | 6 | 0.07 |