Key terms | 20s (n = 27) | 30s (n = 93) | 40s (n = 54) | 50s (n = 39) | >60s (n = 16) | p value1) | p value2) |
Clinical question | 10 (37.0) | 27 (29.0) | 6 (11.1) | 12 (30.8) | 4 (25.0) | 0.064 | 0.310 |
Research question | 10 (37.0) | 22 (23.7) | 10 (18.5) | 10 (25.6) | 4 (25.0) | 0.492 | 0.451 |
PICO/PECO | 5 (18.5) | 16 (17.2) | 7 (13.0) | 5 (12.8) | 5 (31.3) | 0.479 | 0.795 |
Outcome | 45 (44.4) | 36 (38.7) | 13 (24.1) | 10 (25.6) | 6 (37.5) | 0.205 | 0.115 |
Bias | 22 (81.5) | 65 (70.0) | 33 (61.1) | 22 (56.4) | 11 (68.8) | 0.219 | 0.071 |
Confounding | 5 (18.5) | 22 (23.7) | 12 (22.2) | 8 (20.5) | 6 (37.5) | 0.668 | 0.427 |
Reliability and validity | 15 (55.6) | 39 (41.9) | 16 (29.6) | 14 (35.9) | 9 (56.3) | 0.123 | 0.454 |
Observational study and Intervention Study | 18 (66.7) | 40 (43.0) | 19 (35.2) | 16 (41.0) | 8 (50.0) | 0.102 | 0.206 |
p value | 17 (63.0) | 57 (61.3) | 30 (55.6) | 14 (35.9) | 8 (50.0) | 0.088 | 0.021 |
95% Confidence interval | 14 (51.9) | 55 (59.1) | 31 (57.4) | 19 (48.7) | 8 (50.0) | 0.801 | 0.481 |