Table 1: Average differences between participant age and AGE associated age (ASA) among iridoid consumers and nonconsumers in a cross-sectional population study with 3,913 participants.

Daily iridoid intakeAverage difference between age and ASA (± S.D.)

Reference group ( = 1123)0.72 ± 15.9
All iridoid consumers ( = 2790)−2.07 ± 15.6

Major subgroupings of iridoid intake
60 mg ( = 487)−0.46 ± 15.5
120 mg ( = 1234)−0.76 ± 14.9
240 mg ( = 482)−2.35 ± 16.2

Nonsmokers
Reference group ( = 922)−0.76 ± 15.6
All iridoid consumers ( = 2468)−2.90 ± 15.2

Never smoked
Reference group ( = 728)−0.51 ± 15.5
All iridoid consumers ( = 1889)−3.52 ± 15.3

The same as general population in previous published surveys (P > 0.05).
< 0.001, compared to reference (0 mg iridoid) group.
< 0.0001, compared to reference (0 mg iridoid) group and to general population survey data.