Table 2. Linear regression with relationship length difference predicting differences between primary and secondary relationships on primary analyses.
| Variable | Primary-Secondary Difference | Paired Dataa | ||||
|---|---|---|---|---|---|---|
| Intercept (SE) | Slope (SE) | n | rb | t | d | |
| Relationshio acceptance: Family | 3.07 (0.16)**c | 0.10 (0.02)** | 535 | .10 | 18.75 | 1.09 |
| Relationship acceptance: Friends | 1.73 (0.13)** | 0.06 (0.01)** | 538 | .15 | 13.49 | 0.76 |
| Romantic secrecy | -2.68 (0.18)** | -0.10 (0.02)** | 539 | .27 | -15.34 | -0.80 |
| Investment size | 2.58 (0.11)** | -0.00 (0.01) | 539 | .27 | 22.56 | 1.17 |
| Relationship satisfaction | 1.54 (0.10)** | -0.03 (0.01)** | 539 | .14 | 14.92 | 0.84 |
| Quality of alternatives | -0.58 (0.07)** | 0.02 (0.01)** | 538 | .57 | -8.40 | -0.34 |
| Commitment level | 2.23 (0.11)** | -0.02 (0.01)* | 539 | .23 | 21.26 | 1.14 |
| Relationship communication | 1.66 (0.08)** | -0.05 (0.01)** | 558 | .49 | 21.76 | 0.93 |
| Quality of communication | 1.00 (0.06)** | -0.02 (0.01)** | 565 | .21 | 17.32 | 0.92 |
| Percentage of sexual activity | -12.57 (1.80)** | -0.69 (0.19)** | 529 | .08 | -6.98 | -0.41 |
a Estimated mean comparisons when difference in relationship duration was zero.
b r = the partial correlation controlling for relationship length difference between scores for primary and secondary relationships.
c **p < .01,
*p < .05.