|  | Age-adjusted only | Adjusted for Urban/Rural Status | ||||
---|---|---|---|---|---|---|---|
 | Time Frame | Obsa | RRb | p-value | Obsa | RRb | p-value |
High | Â | Â | Â | Â | Â | Â | Â |
1 | 91–97 | 3639 | 1.16 | <0.0001 | 3639 | 1.16 | <0.0001 |
3 | 89–96 | 51 | 3.05 | <0.0001 | 51 | 3.04 | 0.0002 |
4 | 88–97 | 126 | 1.75 | 0.0078 | 126 | 1.74 | 0.0127 |
5 | 88–97 | 276 | 1.44 | 0.0091 | 276 | 1.43 | 0.0154 |
6 | 92–95 | 492 | 1.35 | 0.0004 | 492 | 1.35 | 0.0007 |
7 | 88–95 | * | * | * | * | * | * |
8 | 92–97 | 841c | 1.23 | 0.0034 | 841c | 1.23 | 0.0085 |
11 | 93–97 | 1178 | 1.28 | <0.0001 | 1178 | 1.28 | <0.0001 |
Low | Â | Â | Â | Â | Â | Â | Â |
A | 88–97 | 1068 | 0.74 | <0.0001 | 1068 | 0.74 | <0.0001 |
B | 88–94 | 1119 | 0.81 | <0.0001 | 1119 | 0.81 | <0.0001 |
C | 88–96 | 1951 | 0.86 | <0.0001 | 1951 | 0.87 | 0.0002 |
D | 88–95 | 450 | 0.77 | 0.0069 | 450 | 0.78 | 0.0246 |
 |  | Adjusted for SES | Adjusted for SES & Urban/Rural Status | ||||
High | Â | Â | Â | Â | Â | Â | Â |
1 | 91–97 | * | * | * | * | * | * |
3 | 89–96 | 51 | 3.58 | <0.0001 | 51 | 3.59 | <0.0001 |
4 | 88–97 | * | * | * | * | * | * |
5 | 88–97 | * | * | * | * | * | * |
6 | 92–95 | 492 | 1.35 | 0.0008 | 492 | 1.34 | 0.0005 |
7 | 88–95 | 15 | 6.95 | 0.0130 | 15 | 6.95 | 0.0102 |
8 | 92–97 | 2991d | 1.12 | 0.0009 | 2991d | 1.12 | 0.0011 |
11 | 93–97 | 1178 | 1.29 | <0.0001 | 1178 | 1.31 | <0.0001 |
Low | Â | Â | Â | Â | Â | Â | Â |
A | 88–97 | 600e | 0.75 | <0.0001 | 600e | 0.74 | <0.0001 |
B | 88–94 | 1219f | 0.86 | 0.0303 | 1219f | 0.86 | 0.0301 |
C | 88–96 | 1927g | 0.88 | 0.0134 | * | * | * |
D | 88–95 | * | * | * | * | * | * |