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J. Biosci. | Vol. 26 | No. 4 | Suppl. | November 2001
Shobha Rao
484
et al 1998; Rao et al 1998a, b, 2000b; Kanade et al 1999)
related to adolescent growth of rural children from six
villages near Pune in the longitudinal study carried out
during 1992­1998. It was observed that children who
were underweight as well as stunted near take-off, have
significantly lower attained values of weight and height as
compared to their normal counterpart throughout
adolescence (figure 2). In fact, the differences at the start
(11 yrs age) in weight (4 kg) and height (8 cm) almost
increased to 12 kg and 10 cm by adulthood. Entering
adolescence with poor nutritional status thus hampers the
capacity for catch-up growth and affects final adult size.
3.2 Velocity
The longitudinal data on growth enabled us to investigate
the velocity curves for normal and undernourished boys
(figure 3). It was observed that the differences in the
maximum velocity for weight or height were not
prominent but were significant for ages at which maximum
velocity occurs. Thus, more than growth rates, the timing
of peak height/weight velocity was more sensitive to
undernutrition. As a result of undernutrition the velocity
curve shifts to the right showing significant gains at later
ages both in girls and boys. Despite this, it was worth-
Figure 1. Mean Z-scores for weight and height by age for rural children and velocities for urban slum children in India.


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