approaching significanceP = 0.089
However, significant differences were observed in education level ( P = 0.089, approaching significance), marital status ( P = 0.150), activity intensity ( P = 0.022), bone mineral density at the lumbar spine ( P < 0.001), hip ( P < 0.001), and collum femoris ( P < 0.001), presence of combined chronic diseases ( P = 0.019), calcium tablet intake ( P = 0.006), E2 levels ( P < 0.001), and 5-HT levels ( P < 0.001).