TABLE.

Association between anthropometric measurements and multiple myeloma among women in the California Teachers Study

	Person-years	No. Cases	RR (95% CI)
At cohort entry
Height (inches)a
<64	429,458	33	1.00
64–65	388,405	39	1.66 (1.03–2.67)
≥ 66	508,557	38	1.53 (0.92–2.55)
Test for trend			P = 0.13
Weight (pounds)a
≤130	439,804	38	1.00
131–154	412,438	36	0.85 (0.54–1.36)
≥155	429,490	32	0.71 (0.43–1.16)
Test for trend			P = 0.18
Body mass index (kg/m2)c
<20	138,366	9	0.92 (0.45–1.86)
20–24.9	642,731	55	1.00
25–29.9	319,511	28	0.83 (0.53–1.31)
≥30	180,213	14	0.86 (0.48–1.55)
Test for trend			P = 0.55
Reported for age 18
Weight (pounds)c
≤118	437,160	37	1.00
119–130	441,627	40	1.10 (0.69–1.76)
≥131	397,927	30	1.00 (0.59–1.69)
Test for trend			P = 0.97
Body mass index (kg/m2)c
<20	428,238	41	1.00
20–21.9	432,664	31	0.74 (0.46–1.18)
≥22	409,253	34	0.97 (0.61–1.53)
Test for trend			P = 0.98
At second questionnaire
Waist circumference (inches)‡b
≤29	239,712	12	1.00
29.5–33.5	255,806	32	1.68 (0.86–3.27)
≥34	240,473	24	1.08 (0.54–2.19)
Test for trend			P = 0.67
Hip circumference (inches)b
≤37.5	231,457	24	1.00
38–40.5	240,910	22	0.79 (0.44–1.42)
≥41	261,931	23	0.71 (0.40–1.28)
Test for trend			P = 0.26
Waist-hip ratiob
≤0.76	252,181	15	1.00
0.77–0.83	249,971	26	1.28 (0.68–2.43)
≥0.84	230,447	27	0.97 (0.51–1.85)
Test for trend			P = 0.70
Waist-to-height ratiod
≤0.45	253,473	15	1.00
0.46–0.52	253,887	28	1.20 (0.64–2.27)
≥0.53	226,482	25	0.98 (0.51–1.88)
Test for trend			P = 0.78

Note: Categories representing participants with missing information on an anthropometric measure are not shown in the table.

^aModel was adjusted for weight at cohort entry and race.

^bModel was adjusted for height at cohort entry and race.

^cModel was adjusted for height at age 18 and race.

^dModel was adjusted for race.