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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Pain. 2018 Dec;159(12):2503–2511. doi: 10.1097/j.pain.0000000000001354
Level 1: Pain later = β0i + β1i (HIV-related social support) + β2i(Felt social support) + eti
Level 2: β0i = γ00 + γ01(age) + γ02(race) + γ03(SES) + γ04(sexual orientation) + u0i
β1i = γ10 + γ11(age) + γ12(race) + γ13(SES) + γ14(sexual orientation) + u0i
β2i = γ20 + γ21(age) + γ22(race) + γ23(SES) + γ24(sexual orientation) + u0i