Skip to main content

Table 1 Sample sizes, stratified by analysis and cancer type

From: The impact of direct-to-consumer personal genomic testing on perceived risk of breast, prostate, colorectal, and lung cancer: findings from the PGen study

Sample definition

Breast (Women only)

Prostate (Men only)

Colorectal

Lung

Available survey responses

700

454

1154

1154

Eligible survey responsesa

649

388

1082

1080

2 W linear regressionb

576

354

969

966

6 M linear regressionc

565

343

947

945

Longitudinal analysisd

500

314

847

844

  1. 2 W 2-week follow-up, 6 M 6-month follow-up
  2. aNo missing data for cancer-specific genetic risk result or baseline perceived risk; no reported cancer-specific diagnosis during data collection period
  3. bEligible survey responses, with available data for 2 W perceived risk
  4. cEligible survey responses, with available data for 6 M perceived risk
  5. dEligible survey responses, with available data for both 2 W and 6 M perceived risk