Mortality cause | Potassium intake | P value (Non-linear) b | P for interactionb | |||||
---|---|---|---|---|---|---|---|---|
Quintile 1 (n = 83,220) | Quintile 2 (n = 83,221) | Quintile 3 (n = 83,221) | Quintile 4 (n = 83,221) | Quintile 5 (n = 83,221) | P for trend (linear) b | |||
HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | ||||
Overall mortality | ||||||||
 Men | 1.00 | 0.93 (0.90, 0.95) | 0.92 (0.89, 0.94) | 0.94 (0.91, 0.96) | 0.96 (0.92, 0.99) | 0.01* |  < 0.0001*** | 0.0006*** |
 Women | 1.00 | 0.89 (0.86, 0.93) | 0.86 (0.82, 0.89) | 0.86 (0.82, 0.89) | 0.82 (0.79, 0.86) |  < 0.0001*** |  < 0.0001*** | |
CVD | ||||||||
 Men | 1.00 | 0.94 (0.89, 0.98) | 0.95 (0.90, 1.01) | 0.97 (0.91, 1.03) | 1.02 (0.95, 1.09) | 0.53 |  < 0.0001*** | 0.0006*** |
 Women | 1.00 | 0.87 (0.80, 0.94) | 0.82 (0.75, 0.89) | 0.82 (0.76, 0.89) | 0.79 (0.72, 0.87) |  < 0.0001*** |  < 0.0001*** | |
Heart disease | ||||||||
 Men | 1.00 | 0.94 (0.89, 0.99) | 0.95 (0.90, 1.01) | 0.97 (0.91, 1.04) | 1.03 (0.96, 1.10) | 0.41 |  < 0.0001*** | 0.0028** |
 Women | 1.00 | 0.87 (0.79, 0.95) | 0.82 (0.75, 0.90) | 0.81 (0.74, 0.90) | 0.80 (0.73, 0.89) | 0.0001*** | 0.0006*** | |
Stroke | ||||||||
 Men | 1.00 | 0.92 (0.81, 1.04) | 0.95 (0.83, 1.09) | 0.93 (0.80, 1.08) | 0.92 (0.78, 1.09) | 0.43 | 0.002** | 0.30 |
 Women | 1.00 | 0.84 (0.70, 1.00) | 0.80 (0.67, 0.96) | 0.85 (0.71, 1.02) | 0.79 (0.65, 0.96) | 0.074 | 0.09 | |
Cancer | ||||||||
 Men | 1.00 | 0.96 (0.92, 1.00) | 0.93 (0.88, 0.97) | 0.95 (0.90, 1.00) | 0.96 (0.90, 1.02) | 0.07 | 0.06 | 0.64 |
 Women | 1.00 | 0.95 (0.88, 1.02) | 0.94 (0.88, 1.01) | 0.94 (0.88, 1.01) | 0.93 (0.86, 1.01) | 0.15 | 0.10 | |
Respiratory disease | ||||||||
 Men | 1.00 | 0.83 (0.75, 0.92) | 0.83 (0.75, 0.93) | 0.89 (0.79, 1.01) | 0.82 (0.71, 0.94) | 0.01 | 0.09 | 0.43 |
 Women | 1.00 | 0.84 (0.74, 0.96) | 0.70 (0.62, 0.81) | 0.76 (0.66, 0.87) | 0.64 (0.55, 0.75) |  < 0.0001*** | 0.07 | |
Infectious disease | ||||||||
 Men | 1.00 | 0.98 (0.86, 1.13) | 0.94 (0.80, 1.09) | 1.05 (0.89, 1.24) | 1.01 (0.84, 1.22) | 0.68 | 0.26 | 0.51 |
 Women | 1.00 | 0.92 (0.75, 1.14) | 0.92 (0.75, 1.14) | 0.91 (0.73, 1.12) | 0.77 (0.61, 0.97) | 0.04* | 0.35 | |
Injury and accidents | ||||||||
 Men | 1.00 | 0.94 (0.82, 1.08) | 0.89 (0.77, 1.03) | 0.88 (0.75, 1.03) | 0.85 (0.71, 1.03) | 0.06 | 0.005** | 0.91 |
 Women | 1.00 | 0.87 (0.67, 1.13) | 0.89 (0.68, 1.16) | 0.71 (0.54, 0.94) | 0.77 (0.58, 1.03) | 0.04* | 0.27 | |
Other causes | ||||||||
 Men | 1.00 | 0.88 (0.83, 0.94) | 0.87 (0.82, 0.93) | 0.88 (0.82, 0.94) | 0.92 (0.85, 0.99) | 0.03* |  < 0.0001*** | 0.045* |
 Women | 1.00 | 0.86 (0.79, 0.95) | 0.83 (0.75, 0.90) | 0.81 (0.74, 0.89) | 0.79 (0.72, 0.88) |  < 0.0001*** |  < 0.0001*** |