a decreasing trendp < 0.001
We observe a decreasing trend in infant Hb levels from one to six months (adjusted β = −14.94, 95% CI −18.47, −11.42, p < 0.001; Table 3 ), and from one to twelve months (adjusted β = −16.64, 95% CI −20.53, −12.75, p < 0.001; Table 3 ).