Table 4.

Prevalence estimates of slow gait speed by demographic characteristics using a <0.6 m per second cut-point.

Variable	Weighted Frequency	Weighted Prevalence (%)	95% Confidence Interval	∆% †
Age Group
Young-Old
2006–2008 Waves	2,000,914	13.5	12.4, 14.6
2010–2012 Waves	1,848,315	10.8	9.7, 11.9	−2.7
2014–2016 Waves	2,342,180	11.1	9.9, 12.3	−2.4
Middle-Old
2006–2008 Waves	2,500,642	26.7	24.9, 28.5
2010–2012 Waves	2,312,662	23.0	21.3, 24.6	−3.7
2014–2016 Waves	2,500,728	24.0	22.3, 25.7	−2.7
Old-Old
2006–2008 Waves	1,280,654	43.9	40.1, 47.6
2010–2012 Waves	1,478,506	43.8	40.1, 47.5	−0.1
2014–2016 Waves	1,940,661	50.3	46.8, 53.9	6.4
Race & Ethnicity
Hispanic
2006–2008 Waves	569,762	34.1	30.0, 38.3
2010–2012 Waves	503,120	28.2	23.3, 33.1	−5.9
2014–2016 Waves	739,686	30.4	25.9, 34.9	−3.7
Non-Hispanic Black
2006–2008 Waves	725,509	38.6	34.9, 42.2	-
2010–2012 Waves	829,684	37.3	33.6, 41.0	−1.3
2014–2016 Waves	978,070	37.8	33.8, 41.7	−0.8
Non-Hispanic Other
2006–2008 Waves	112,414	22.7	13.9, 31.5	-
2010–2012 Waves	142,702	21.8	13.8, 29.9	−0.9
2014–2016 Waves	209,409	22.2	15.0, 29.4	−0.5
Non-Hispanic White
2006–2008 Waves	4,374,525	19.0	17.9, 20.0	-
2010–2012 Waves	4,163,977	16.1	15.1, 17.1	−2.9
2014–2016 Waves	4,856,404	16.5	15.5, 17.6	−2.5
Gender
Females
2006–2008 Waves	3,969,203	25.5	24.1, 26.9	-
2010–2012 Waves	3,839,996	22.5	21.1, 23.9	−3.0
2014–2016 Waves	4,446,626	22.7	21.3, 24.2	−2.8
Males
2006–2008 Waves	1,813,007	15.7	14.4, 17.0	-
2010–2012 Waves	1,799,487	13.4	12.1, 14.7	−2.3
2014–2016 Waves	2,336,943	14.8	13.4, 16.2	−0.9

^† 2006–2008 waves were the reference.