Table 4.
HRs and 95% CIs for self-reported medical history of diabetes and thyroid cancer risk by cohort
| Medical history of diabetes | ||
|---|---|---|
| Never diagnosed | Ever diagnosed | |
|
| ||
| NIH-AARP | ||
| Cases | 516 | 60 |
| HR (95% CI)a | 1.00 (Reference) | 1.36 (1.04-1.77) |
| HR (95% CI)b | 1.00 (Reference) | 1.19 (0.90-1.57) |
| USRT | ||
| Cases | 117 | 4 |
| HR (95% CI)a | 1.00 (Reference) | 1.37 (0.51-3.72) |
| HR (95% CI)b | 1.00 (Reference) | 1.16 (0.42-3.20) |
| PLCO | ||
| Cases | 50 | 1 |
| HR (95% CI)a | 1.00 (Reference) | 0.32 (0.04-2.29) |
| HR (95% CI)b | 1.00 (Reference) | 0.26 (0.04-1.94) |
| AHS | ||
| Cases | 48 | 0 |
| HR (95% CI)a | 1.00 (Reference) | Not estimatable |
| HR (95% CI)b | 1.00 (Reference) | Not estimatable |
| BCDDP | ||
| Cases | 22 | 0 |
| HR (95% CI)a | 1.00 (Reference) | Not estimatable |
| HR (95% CI)b | 1.00 (Reference) | Not estimatable |
| Overall | ||
| Total Cases | 753 | 65 |
| HR (95% CI)c | 1.00 (Reference) | 1.22 (0.95-1.58) |
| HR (95% CI)d | 1.00 (Reference) | 1.08 (0.83-1.40) |
| Test for between-study heterogeneity: I2=11%, P=0.33 | ||
a
Adjusted for sex
b
Adjusted for sex, education, race, marital status, cigarette smoking, body mass index, and alcohol intake
c
Adjusted for sex and cohort
d
Adjusted for sex, education, race, marital status, cigarette smoking, body mass index, alcohol intake, and cohort