<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: At age 12 , the children who attended the clinic were more likely to be girls , have a higher birth weight , be from a higher social class , have older and taller mothers , and have mothers with higher levels of education compared with non - attenders . 17 There was a similar pattern of differences between clinic attenders who provided valid measures of physical activity and attenders who did not . The differences between attenders and non - attenders were similar at age 14 . However , the differences between children who did and did not provide valid accelerometer data were markedly reduced at age 14 , with the exception of mother 's level of education .<|eot_id|><|start_header_id|>assistant<|end_header_id|>

no<|eot_id|>