Table 5.

Sibling and neighbor correlations inside and outside Winnipeg

	Winnipeg	Outside Winnipeg
Variables	N = 11,728	N = 17,944
Sibling correlations
Continuous outcomes
Language arts index†	0.449 (0.429–0.469)	0.575 (0.561–0.589)
Health status (ADG morbidity score)	0.475 (0.455–0.495)	0.467 (0.451–0.483)
Hospital and physician costs†	0.321 (0.298–0.344)	0.260 (0.241–0.279)
Binary outcomes
Not in grade 12 at appropriate age†	0.594 (0.560–0.628)	0.650 (0.627–0.673)
Teenage pregnancy*	0.467 (0.394–0.540)	0.576 (0.528–0.625)
Received income assistance (age 18–19)	0.637 (0.586–0.689)	0.651 (0.606–0.697)
Neighbor correlations (unadjusted)
Continuous outcomes
Language arts index	0.043 (0.017–0.069)	0.038 (0.017–0.059)
Health status	0.011 (-0.015–0.037)	0.019 (-0.002–0.040)
Hospital and physician costs	0.019 (-0.007–0.045)	0.037 (0.016–0.058)
Binary outcomes
Not in grade 12 at appropriate age	0.316 (0.271–0.360)	0.316 (0.286–0.346)
Teenage pregnancy†	0.186 (0.101–0.271)	0.368 (0.308–0.428)
Received income assistance (age 18–19)	0.331 (0.256–0.407)	0.350 (0.280–0.420)
Neighbor correlations (adjusted)
Continuous outcomes
Language arts index	0.016 (-0.010–0.042)	0.030 (0.009–0.050)
Health status	0.008 (-0.018–0.034)	0.011 (-0.010–0.032)
Hospital and physician costs	0.020 (0.000–0.040)	0.031 (0.011–0.052)
Binary outcomes
Not in grade 12 at appropriate age	0.101 (0.045–0.158)	0.105 (0.069–0.140)
Teenage pregnancy	0.037 (-0.063–0.138)	0.120 (0.045–0.194)
Received income assistance (age 18–19)	0.083 (-0.022–0.189)	0.182 (0.089–0.226)

The N refers to the number of individuals (twice the number of same-sex pairs matched with their neighbors) in the study sample. The N for “Teenage Pregnancy” is given in Table 4.

Confidence intervals (95%) are in parentheses.

Statistically significant differences: ^†p < 0.01, *p < 0.05.