an increasing trendp = 0.08
borderline significanceP = 0.08
However, an increasing trend of LTPA was observed in the intervention group until the third follow-up examination (β = 1278.21, p = 0.08, and β = 1962.81, p = 0.02, respectively), with borderline significance levels at the 2nd ( P = 0.08) and the 4th (P = 0.08) measurements.