Incidence of depressive and anxiety disorders over 12 months follow-up.

IRR: Incidence rate ratio; CI: Confidence interval; RD: Risk difference.*intervention versus usual care group, adjusted for HADS-A baseline differences and clustering. An IRR>1 means that over a period of 12 months more caregivers in the intervention group developed a disorder than in the usual care group.#Risk difference between intervention and usual care group, adjusted for HADS-A baseline differences and clustering.