Perkins JM, Lee H, James KS, Oh J, Krishna A, Heo J, Lee H, Subramanian SV, Marital status, widowhood duration, gender and health outcomes: a cross-sectional study among older adults in India, 2016, BMC Public Health, Vol: 16, No: 1032.

Using a cross-sectional design this study examine the relationship between widowhood and self-rated health, psychological distress, cognitive ability, and four chronic diseases and reported that there is association between widowhood and several mental and physical-related health outcomes.