Table 1.

The Short Physical Performance Battery, participants in the Bogalusa Babies and BiCEPS studies, 2011–2016, n=761 Balance

0 (not attempted or: side-by side <10 sec)	2	0.3
1	11	1.5
2	13	1.7
3	41	5.4
4 (side-by-side, semi-tandem, tandem each 10 sec or more)	690	91.2
4m walk
1 (>8.7 sec)	1	0.1
2 (6.21–8.70 sec)	10	1.3
3 (4.82–6.20 sec)	61	8.1
4 (<4.82 sec)	681	90.4
chair
0 (unable/>60 sec)	9	1.3
1 (>16.7 sec)	60	8.3
2 (13.70–16.7 sec)	106	14.7
3 (11.2–13.7)	111	15.4
4 (<=11.2)	433	30.2
total
<8	8	1.1
8–9	87	12.4
10	98	14.0
11	121	17.3
12	395	56.3
	mean	SD	range
6-minute walk, meters	414	80	202–676a
length of time for 10 chair stands (seconds)	23.6	6.8	6.1–61.6
knee strength, average across 3 attempts per knee	44	14	5.1–86.3
average grip strength (kg)	28	6.5	4.4–49.7
pegboard dexterity, time in sec, dominant hand	76	28	44–240b
pegboard dexterity, time in sec, nondominant hand	82	31	47–283b

^aif attempted but not completed assigned minimum value-1

^bif attempted but not completed assigned maximum value+1