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. Author manuscript; available in PMC: 2011 Dec 6.
Published in final edited form as: Twin Res Hum Genet. 2009 Oct;12(5):469–488. doi: 10.1375/twin.12.5.469

Table 7.

Logistic Regressions Predicting Depression (During/after12RP and After12RP) From Kessler Perceived Social Support (KPSS), Network Stressful Life Events (SLE) and the Interaction Between SLE and KPSS

N Full model Sex Age KPSS
Network SLE
KPSS × ⍰SLE
-2ΔLL Wald Wald Wald -2ΔLL Wald -2ΔLL Wald -2ΔLL






Δ χ25 p OR p OR p OR p Δ χ21 p OR p Δ χ21 p OR p Δ χ21 p
Major Depression (MD)

Onset during/after 12mth SLE reporting period (During/after12RP)

M 6744 155.45 .000** 1.58 .000** 0.56 .000** 0.85 .000 15.20 .000** 1.19 .000 16.83 .000** 0.95 .253 1.30 .253
M 2510 41.82 .000** 0.59 .000** 0.82 .011 5.96 .015* 1.19 .028 6.95 .008* 0.89 .122 2.43 .119
F 4234 99.09 .000** 0.55 .000** 0.85 .003 9.41 .002** 1.18 .001 10.14 .001** 0.98 .753 0.10 .754

Onset after 12mth SLE reporting period (After12RP)

M 6670 149.36 .000** 1.60 .000** 0.55 .000** 0.83 .000 16.95 .000** 1.18 .000 13.57 .000** 0.95 .304 1.05 .304
M 2487 46.63 .000** 0.52 .000** 0.82 .017 5.44 .020* 1.25 .005 8.84 .003** 0.94 .422 0.65 .420
F 4183 88.93 .000** 0.55 .000** 0.83 .001 11.35 .001** 1.14 .014 5.90 .015* 0.97 .562 0.34 .562

Sub-Clinical Depression (SCD)

Onset during/after 12mth SLE reporting period (During/after12RP)

M 5866 252.04 .000** 1.35 .000** 0.55 .000** 0.86 .000 21.00 .000** 1.17 .000 20.58 .000** 1.04 .309 1.04 .309
M 2191 73.89 .000** 0.57 .000** 0.86 .009 6.26 .012* 1.20 .002 9.71 .002** 0.97 .587 0.30 .587
F 3675 172.07 .000** 0.54 .000** 0.85 .000 15.04 .000** 1.15 .001 11.20 .001** 1.08 .082 3.04 .081

Onset after 12mth SLE reporting period (After12RP)

M 5715 240.50 .000** 1.37 .000** 0.53 .000** 0.84 .000 25.11 .000** 1.16 .000 15.11 .000** 1.03 .426 0.63 .426
M 2139 72.11 .000** 0.56 .000** 0.83 .002 8.74 .003** 1.20 .004 8.61 .003** 0.96 .548 0.36 .547
F 3576 162.88 .000** 0.52 .000** 0.83 .000 16.57 .000** 1.12 .011 7.20 .007* 1.08 .126 2.36 .125

Note. p: ‘.000’ = ‘<.001’; For males & females (M & F), p < .050 (*) were significant at α = .050 and p < .010 (**) were significant at α = .010; For M or F, we used a Bonferonni correction (p/2), so p < .025 (*) were significant at α = .050 and p < .005 (**) were significant at α = .010.