a decreasing trendp < 0. 001
The overall suicide rate showed a decreasing trend for 26 years, with fluctuating trends from year to year with a significant trend change with a p < 0. 001 for X 2 .
The overall suicide rate showed a decreasing trend for 26 years, with fluctuating trends from year to year with a significant trend change with a p < 0. 001 for X 2 .
Analysis of Cochran- Armitage showed a significant trend change across the years for males, middle-old, and oldest-old of OP who die by suicide, as depicted in Table 3 .