Table 2b: Stratified analysis (OR with 95% CI with p-value for effect measure modification) across studies for each preventive service and subgroups.
| Stratified Analysis |
Bone Densitometry |
Influenza Vaccination |
Cholesterol/Lipid Testing |
Blood Pressure Measurement |
| Overall |
1.23 (1.11-1.35) |
1.57 (1.18-2.08) |
1.05 (0.96-1.14) |
1.32 (0.81-2.15) |
| Study Design |
p=0.390 |
p=0.826 |
p=0.489 |
p=0.983 |
| Matched case control |
1.19 (1.08-1.33) |
1.60 (1.14-2.25) |
1.03 (0.94-1.12) |
1.40 (0.44-4.42) |
| Cross sectional |
1.38 (1.21-1.57) |
1.47 (1.23-1.76) |
1.20 (1.07-1.34) |
1.44 (1.38-1.5) |
| Study Quality |
p=0.852 |
p=0.493 |
p=0.632 |
p=0.380 |
| NOS>=7 |
1.23 (1.09-1.38) |
1.69 (1.18-2.44) |
1.08 (0.99-1.18) |
2.67 (1.29-5.52) |
| NOS<7 |
1.21 (0.99-1.47) |
1.25 (1.15-1.37) |
1.03 (0.84-1.26) |
1.09 (0.63-1.89) |
| Cancer Types |
p=0.673 |
p=0.4 |
p=0.409 |
- |
| Unrestricted |
1.25 (1.08-1.45) |
1.33 (1.15-1.53) |
1.01 (0.90-1.13) |
NA |
| Breast cancer |
1.16 (1.08-1.24) |
1.91 (0.68-5.34) |
1.16 (0.94-1.43) |
- |
| Ascertainment |
p=0.390 |
p=0.627 |
p=0.205 |
p=0.347 |
| Record/claims data |
1.19 (1.08-1.32) |
1.46 (0.99-2.14) |
1.01 (0.93-1.11) |
0.82 (0.71-0.95) |
| Self-reported |
1.38 (1.21-1.57) |
1.69 (1.30-2.20) |
1.73 (0.71-4.25) |
1.75 (0.99-3.09) |
| Matching |
p=0.559 |
p=0.258 |
p=0.687 |
- |
| Comorbidity matched |
1.14 (1.08-1.19) |
1.11 (1.03-1.19) |
1.00 (0.97-1.03) |
NA |
| General population |
1.25 (1.11-1.40) |
1.75 (1.08-2.83) |
1.08 (0.94-1.23) |
- |