Table 2.

Receiver operating characteristic for handgrip strength as an indicator of not having depression.

	Men (733)			Women (1473)
	65–74 years	75–84 years	≥ 85 years	65–74 years	75–84 years	≥ 85 years
Without depression
n	332	173	62	609	282	89
Grip strength (kg)	42.8 (41.8–43.7)	35.6 (34.3–36.8)	29.7 (27.9–31.5)	25.9 (25.5–26.4)	22.8 (22.2–23.5)	17.9 (16.8–19.0)
With depression
n	86	62	18	272	161	60
Grip strength (kg)	40.8 (39.0–42.7)	33.8 (32.0–35.6)	27.6 (22.5–32.6)	23.9 (23.1–24.8)	20.9 (20.0–21.8)	15.9 (14.7–17.1)
AUC (95% CI)	0.55 (0.48–0.62)	0.57 (0.49–0.65)	0.59 (0.42–0.75)	0.58 (0.54–0.62)	0.59 (0.53–0.64)	0.61 (0.52–0.70)
Grip strength cutoff for depression (kg)	41.50	40.50	23.50	24.50	20.50	19.50
Sensitivity	0.50	0.84	0.44	0.53	0.46	0.82
Specificity	0.39	0.70	0.17	0.40	0.35	0.60

AUC area under the curve.