| Outcome levels | Hip | | Knee | | Observations | ATT | 95% Confidence interval | | Observations | ATT | 95% Confidence interval | |
| All-year periods | | | | | | | | | ADL limitations | 1,220 | −0.10 | (−0.23, 0.04) | | 4,004 | −0.21 | (−0.28, −0.14) | * | IADL limitations | 1,220 | −0.14 | (−0.26, −0.03) | * | 4,004 | −0.14 | (−0.20, −0.09) | * | Mobility limitations | 1,220 | −0.34 | (−0.52, −0.16) | * | 4,006 | −0.46 | (−0.56, −0.36) | * | Large muscle index | 1,220 | −0.24 | (−0.38, −0.10) | * | 4,004 | −0.24 | (−0.31, −0.16) | * | Fine motor index | 1,220 | 0.02 | (−0.06, 0.10) | | 4,004 | −0.10 | (−0.14, −0.06) | * | Gross motor index | 1,220 | −0.33 | (−0.49, −0.17) | * | 4,004 | −0.33 | (−0.41, −0.24) | * | Pain | 1,222 | −0.23 | (−0.28, −0.18) | * | 4,004 | −0.19 | (−0.21, −0.16) | * | Pain restrict | 1,222 | −0.24 | (−0.29, −0.18) | * | 4,004 | −0.20 | (−0.23, −0.17) | * |
| Subperiod results | | | | | | | | | ADL limitations | | | | | | | | | 1998–2000 | 340 | 0.07 | (−0.21, 0.35) | | 958 | −0.14 | (−0.29, 0.01) | | 2002–2006 | 496 | −0.11 | (−0.31, 0.09) | | 1,812 | −0.15 | (−0.26, −0.05) | * | 2008–2010 | 382 | −0.17 | (−0.41, 0.07) | | 1,228 | −0.21 | (−0.33, −0.09) | * | IADL limitations | | | | | | | | | 1998–2000 | 340 | −0.01 | (−0.24, 0.21) | | 958 | −0.05 | (−0.16, 0.07) | | 2002–2006 | 496 | −0.12 | (−0.28, 0.03) | | 1,812 | −0.10 | (−0.19, −0.02) | * | 2008–2010 | 382 | −0.25 | (−0.47, −0.03) | * | 1,228 | −0.17 | (−0.27, −0.07) | * | Mobility limitations | | | | | | | | | 1998–2000 | 340 | −0.69 | (−1.04, −0.34) | * | 958 | −0.43 | (−0.64, −0.22) | * | 2002–2006 | 496 | −0.43 | (−0.71, −0.15) | * | 1,812 | −0.52 | (−0.67, −0.37) | * | 2008–2010 | 382 | −0.50 | (−0.83, −0.17) | * | 1,228 | −0.48 | (−0.66, −0.31) | * | Large muscle index | | | | | | | | | 1998–2000 | 340 | −0.21 | (−0.47, 0.04) | | 958 | −0.22 | (−0.37, −0.07) | * | 2002–2006 | 496 | −0.39 | (−0.60, −0.17) | * | 1,812 | −0.20 | (−0.31, −0.08) | * | 2008–2010 | 382 | −0.46 | (−0.71, −0.21) | * | 1,228 | −0.24 | (−0.37, −0.10) | * | Fine motor index | | | | | | | | | 1998–2000 | 340 | 0.13 | (−0.03, 0.29) | | 958 | −0.05 | (−0.14, 0.04) | | 2002–2006 | 496 | −0.05 | (−0.18, 0.07) | | 1,812 | −0.09 | (−0.15, −0.03) | * | 2008–2010 | 382 | −0.13 | (−0.27, 0.01) | | 1,228 | −0.10 | (−0.17, −0.03) | * | Gross motor index | | | | | | | | | 1998–2000 | 340 | −0.14 | (−0.46, 0.18) | | 958 | −0.27 | (−0.45, −0.09) | * | 2002–2006 | 496 | −0.27 | (−0.51, −0.04) | * | 1,812 | −0.31 | (−0.44, −0.19) | * | 2008–2010 | 382 | −0.40 | (−0.68, −0.12) | * | 1,228 | −0.34 | (−0.49, −0.19) | * | Pain | | | | | | | | | 1998–2000 | 340 | −0.26 | (−0.36, −0.16) | * | 958 | −0.17 | (−0.23, −0.11) | * | 2002–2006 | 496 | −0.25 | (−0.33, −0.17) | * | 1,812 | −0.19 | (−0.23, −0.15) | * | 2008–2010 | 382 | −0.25 | (−0.34, −0.16) | * | 1,228 | −0.17 | (−0.23, −0.12) | * | Pain restrict | | | | | | | | | 1998–2000 | 340 | −0.22 | (−0.32, −0.11) | * | 958 | −0.14 | (−0.20, −0.08) | * | 2002–2006 | 496 | −0.24 | (−0.32, −0.15) | * | 1,812 | −0.20 | (−0.25, −0.16) | * | 2008–2010 | 382 | −0.31 | (−0.41, −0.22) | * | 1,228 | −0.20 | (−0.25, −0.14) | * |
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