There are many risk factors for back pain, including aging, genetics, occupational hazards, lifestyle, weight, posture, pregnancy and smoking. With that said, back pain is so prevalent that it can strike even if you have no risk factors at all. Pregnant women are more likely to develop back pain due carrying excess body weight in the front, and the loosening of ligaments in the pelvic area as the body prepares for delivery. People who smoke are more likely to develop back pain than those who don’t smoke. Occupational hazards. Any job that requires repetitive bending and lifting has a high incidence of back injury (e.g., construction worker, nurse). Jobs that require long hours of standing without a break (e.g., barber) or sitting in a chair (e.g., software developer) that does not support the back well also puts the person at greater risk.