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Table 4.9Influence of shaping factors on the belonging to each type of as–family network. Logistic regressions (odd ratios)CoupleFriendship–originModel 1aModel 1bModel 1cModel 2aModel 2bModel 2cCountry (ref.: Portugal)Switzerland4.598***4.596***4.371***0.8980.9220.916Lithuania1.988***1.988***1.901***0.405***0.385***0.383***Birth cohort (ref.: 1950–1955)1970–19750.9870.9943.241***3.245***Gender (ref.: Men)Women0.482***0.927NegelkerkeR20.0640.0640.0850.0450.1320.132No–familySiblingsModel 3aModel 3bModel 3cModel 4aModel 4bModel 4cCountry (ref.: Portugal)Switzerland2.912***2.867***3.054***1.1671.1831.228Lithuania3.429***3.444***3.593***1.0111.0141.045Birth cohort (ref.: 1950–1955)1970–19750.406***0.404***1.538***1.536***Gender (ref.: Men)Women1.960***1.528***NegelkerkeR20.0380.0660.0820.0010.0100.019(continued)K. Wall et al.